Home / 80,736,061.68-111,561,505.84-57,490,832.32

Finding the Fourth Proportional to 80,736,061.68, 111,561,505.84 and 57,490,832.32

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Solution

The fourth proportional to 80,736,061.68, 111,561,505.84 and 57,490,832.32 is: 79,441,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,736,061.68 : 111,561,505.84 = 57,490,832.32 : x
  2. Step 2: Convert to fraction form
    80,736,061.68/111,561,505.84 = 57,490,832.32/x
  3. Step 3: Cross multiply
    80,736,061.68x = 111,561,505.84 × 57,490,832.32
  4. Step 4: Simplify right side
    80,736,061.68x = 6,413,763,825,614,141
  5. Step 5: Solve for x
    x = 6,413,763,825,614,141/80,736,061.68
  6. Step 6: Final answer
    x = 79,441,128.19

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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.