Home / 87,340,038,449.40-131,010,057,674.10-72,828,156,209.40

Finding the Fourth Proportional to 87,340,038,449.40, 131,010,057,674.10 and 72,828,156,209.40

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Solution

The fourth proportional to 87,340,038,449.40, 131,010,057,674.10 and 72,828,156,209.40 is: 109,242,234,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,340,038,449.40 : 131,010,057,674.10 = 72,828,156,209.40 : x
  2. Step 2: Convert to fraction form
    87,340,038,449.40/131,010,057,674.10 = 72,828,156,209.40/x
  3. Step 3: Cross multiply
    87,340,038,449.40x = 131,010,057,674.10 × 72,828,156,209.40
  4. Step 4: Simplify right side
    87,340,038,449.40x = 9,541,220,945,291,856,838,656
  5. Step 5: Solve for x
    x = 9,541,220,945,291,856,838,656/87,340,038,449.40
  6. Step 6: Final answer
    x = 109,242,234,314.10

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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.