Home / 159,891,773.26-239,926,342.61-78,011,324.32

Finding the Fourth Proportional to 159,891,773.26, 239,926,342.61 and 78,011,324.32

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Solution

The fourth proportional to 159,891,773.26, 239,926,342.61 and 78,011,324.32 is: 117,060,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,891,773.26 : 239,926,342.61 = 78,011,324.32 : x
  2. Step 2: Convert to fraction form
    159,891,773.26/239,926,342.61 = 78,011,324.32/x
  3. Step 3: Cross multiply
    159,891,773.26x = 239,926,342.61 × 78,011,324.32
  4. Step 4: Simplify right side
    159,891,773.26x = 18,716,971,726,260,144
  5. Step 5: Solve for x
    x = 18,716,971,726,260,144/159,891,773.26
  6. Step 6: Final answer
    x = 117,060,254.85

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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.