Home / 142,198,805.27-213,298,205.34-39,962,842.89

Finding the Fourth Proportional to 142,198,805.27, 213,298,205.34 and 39,962,842.89

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Solution

The fourth proportional to 142,198,805.27, 213,298,205.34 and 39,962,842.89 is: 59,944,263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,198,805.27 : 213,298,205.34 = 39,962,842.89 : x
  2. Step 2: Convert to fraction form
    142,198,805.27/213,298,205.34 = 39,962,842.89/x
  3. Step 3: Cross multiply
    142,198,805.27x = 213,298,205.34 × 39,962,842.89
  4. Step 4: Simplify right side
    142,198,805.27x = 8,524,002,668,721,379
  5. Step 5: Solve for x
    x = 8,524,002,668,721,379/142,198,805.27
  6. Step 6: Final answer
    x = 59,944,263.62

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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.