Home / 129,033,950,115.20-193,550,925,172.80-106,994,028,963.20

Finding the Fourth Proportional to 129,033,950,115.20, 193,550,925,172.80 and 106,994,028,963.20

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Solution

The fourth proportional to 129,033,950,115.20, 193,550,925,172.80 and 106,994,028,963.20 is: 160,491,043,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,033,950,115.20 : 193,550,925,172.80 = 106,994,028,963.20 : x
  2. Step 2: Convert to fraction form
    129,033,950,115.20/193,550,925,172.80 = 106,994,028,963.20/x
  3. Step 3: Cross multiply
    129,033,950,115.20x = 193,550,925,172.80 × 106,994,028,963.20
  4. Step 4: Simplify right side
    129,033,950,115.20x = 20,708,793,293,792,717,307,904
  5. Step 5: Solve for x
    x = 20,708,793,293,792,717,307,904/129,033,950,115.20
  6. Step 6: Final answer
    x = 160,491,043,444.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.