Home / 80,736,155.32-111,561,635.28-57,490,926.16

Finding the Fourth Proportional to 80,736,155.32, 111,561,635.28 and 57,490,926.16

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Solution

The fourth proportional to 80,736,155.32, 111,561,635.28 and 57,490,926.16 is: 79,441,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,736,155.32 : 111,561,635.28 = 57,490,926.16 : x
  2. Step 2: Convert to fraction form
    80,736,155.32/111,561,635.28 = 57,490,926.16/x
  3. Step 3: Cross multiply
    80,736,155.32x = 111,561,635.28 × 57,490,926.16
  4. Step 4: Simplify right side
    80,736,155.32x = 6,413,781,736,171,331
  5. Step 5: Solve for x
    x = 6,413,781,736,171,331/80,736,155.32
  6. Step 6: Final answer
    x = 79,441,257.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.