Home / 143,820,675.59-198,472,446.66-77,741,174.73

Finding the Fourth Proportional to 143,820,675.59, 198,472,446.66 and 77,741,174.73

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Solution

The fourth proportional to 143,820,675.59, 198,472,446.66 and 77,741,174.73 is: 107,282,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,820,675.59 : 198,472,446.66 = 77,741,174.73 : x
  2. Step 2: Convert to fraction form
    143,820,675.59/198,472,446.66 = 77,741,174.73/x
  3. Step 3: Cross multiply
    143,820,675.59x = 198,472,446.66 × 77,741,174.73
  4. Step 4: Simplify right side
    143,820,675.59x = 15,429,481,154,885,666
  5. Step 5: Solve for x
    x = 15,429,481,154,885,666/143,820,675.59
  6. Step 6: Final answer
    x = 107,282,774.83

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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.