Home / 99,830,002.20-149,745,003.30-28,026,418.20

Finding the Fourth Proportional to 99,830,002.20, 149,745,003.30 and 28,026,418.20

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Solution

The fourth proportional to 99,830,002.20, 149,745,003.30 and 28,026,418.20 is: 42,039,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,830,002.20 : 149,745,003.30 = 28,026,418.20 : x
  2. Step 2: Convert to fraction form
    99,830,002.20/149,745,003.30 = 28,026,418.20/x
  3. Step 3: Cross multiply
    99,830,002.20x = 149,745,003.30 × 28,026,418.20
  4. Step 4: Simplify right side
    99,830,002.20x = 4,196,816,085,846,180.50
  5. Step 5: Solve for x
    x = 4,196,816,085,846,180.50/99,830,002.20
  6. Step 6: Final answer
    x = 42,039,627.30

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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.