Home / 87,224,577.60-130,695,148.80-72,769,382.40

Finding the Fourth Proportional to 87,224,577.60, 130,695,148.80 and 72,769,382.40

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Solution

The fourth proportional to 87,224,577.60, 130,695,148.80 and 72,769,382.40 is: 109,035,841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,224,577.60 : 130,695,148.80 = 72,769,382.40 : x
  2. Step 2: Convert to fraction form
    87,224,577.60/130,695,148.80 = 72,769,382.40/x
  3. Step 3: Cross multiply
    87,224,577.60x = 130,695,148.80 × 72,769,382.40
  4. Step 4: Simplify right side
    87,224,577.60x = 9,510,605,260,852,102
  5. Step 5: Solve for x
    x = 9,510,605,260,852,102/87,224,577.60
  6. Step 6: Final answer
    x = 109,035,841.99

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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.