Home / 363,438,331.92-545,294,891.52-142,267,736.70

Finding the Fourth Proportional to 363,438,331.92, 545,294,891.52 and 142,267,736.70

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Solution

The fourth proportional to 363,438,331.92, 545,294,891.52 and 142,267,736.70 is: 213,455,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,438,331.92 : 545,294,891.52 = 142,267,736.70 : x
  2. Step 2: Convert to fraction form
    363,438,331.92/545,294,891.52 = 142,267,736.70/x
  3. Step 3: Cross multiply
    363,438,331.92x = 545,294,891.52 × 142,267,736.70
  4. Step 4: Simplify right side
    363,438,331.92x = 77,577,870,050,622,416
  5. Step 5: Solve for x
    x = 77,577,870,050,622,416/363,438,331.92
  6. Step 6: Final answer
    x = 213,455,387.72

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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.