Home / 159,743,007.70-239,614,511.55-142,524,319.30

Finding the Fourth Proportional to 159,743,007.70, 239,614,511.55 and 142,524,319.30

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Solution

The fourth proportional to 159,743,007.70, 239,614,511.55 and 142,524,319.30 is: 213,786,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,743,007.70 : 239,614,511.55 = 142,524,319.30 : x
  2. Step 2: Convert to fraction form
    159,743,007.70/239,614,511.55 = 142,524,319.30/x
  3. Step 3: Cross multiply
    159,743,007.70x = 239,614,511.55 × 142,524,319.30
  4. Step 4: Simplify right side
    159,743,007.70x = 34,150,895,153,065,744
  5. Step 5: Solve for x
    x = 34,150,895,153,065,744/159,743,007.70
  6. Step 6: Final answer
    x = 213,786,478.95

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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.