Home / 159,491,063.70-239,348,569.95-68,679,825.30

Finding the Fourth Proportional to 159,491,063.70, 239,348,569.95 and 68,679,825.30

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Solution

The fourth proportional to 159,491,063.70, 239,348,569.95 and 68,679,825.30 is: 103,067,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,491,063.70 : 239,348,569.95 = 68,679,825.30 : x
  2. Step 2: Convert to fraction form
    159,491,063.70/239,348,569.95 = 68,679,825.30/x
  3. Step 3: Cross multiply
    159,491,063.70x = 239,348,569.95 × 68,679,825.30
  4. Step 4: Simplify right side
    159,491,063.70x = 16,438,417,969,970,828
  5. Step 5: Solve for x
    x = 16,438,417,969,970,828/159,491,063.70
  6. Step 6: Final answer
    x = 103,067,956.21

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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.