Home / 80,904,110.40-121,356,165.60-53,694,331.20

Finding the Fourth Proportional to 80,904,110.40, 121,356,165.60 and 53,694,331.20

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Solution

The fourth proportional to 80,904,110.40, 121,356,165.60 and 53,694,331.20 is: 80,541,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,904,110.40 : 121,356,165.60 = 53,694,331.20 : x
  2. Step 2: Convert to fraction form
    80,904,110.40/121,356,165.60 = 53,694,331.20/x
  3. Step 3: Cross multiply
    80,904,110.40x = 121,356,165.60 × 53,694,331.20
  4. Step 4: Simplify right side
    80,904,110.40x = 6,516,138,148,888,447
  5. Step 5: Solve for x
    x = 6,516,138,148,888,447/80,904,110.40
  6. Step 6: Final answer
    x = 80,541,496.80

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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.