Home / 109,017,578,051.40-163,526,367,077.10-42,770,835,625.80

Finding the Fourth Proportional to 109,017,578,051.40, 163,526,367,077.10 and 42,770,835,625.80

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Solution

The fourth proportional to 109,017,578,051.40, 163,526,367,077.10 and 42,770,835,625.80 is: 64,156,253,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,017,578,051.40 : 163,526,367,077.10 = 42,770,835,625.80 : x
  2. Step 2: Convert to fraction form
    109,017,578,051.40/163,526,367,077.10 = 42,770,835,625.80/x
  3. Step 3: Cross multiply
    109,017,578,051.40x = 163,526,367,077.10 × 42,770,835,625.80
  4. Step 4: Simplify right side
    109,017,578,051.40x = 6,994,159,366,738,878,136,320
  5. Step 5: Solve for x
    x = 6,994,159,366,738,878,136,320/109,017,578,051.40
  6. Step 6: Final answer
    x = 64,156,253,438.70

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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.