Home / 144,002,306.30-198,723,528.12-77,923,513.62

Finding the Fourth Proportional to 144,002,306.30, 198,723,528.12 and 77,923,513.62

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Solution

The fourth proportional to 144,002,306.30, 198,723,528.12 and 77,923,513.62 is: 107,534,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,306.30 : 198,723,528.12 = 77,923,513.62 : x
  2. Step 2: Convert to fraction form
    144,002,306.30/198,723,528.12 = 77,923,513.62/x
  3. Step 3: Cross multiply
    144,002,306.30x = 198,723,528.12 × 77,923,513.62
  4. Step 4: Simplify right side
    144,002,306.30x = 15,485,235,550,365,488
  5. Step 5: Solve for x
    x = 15,485,235,550,365,488/144,002,306.30
  6. Step 6: Final answer
    x = 107,534,635.72

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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.