Home / 121,423,874.33-182,148,569.90-39,549,127.97

Finding the Fourth Proportional to 121,423,874.33, 182,148,569.90 and 39,549,127.97

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Solution

The fourth proportional to 121,423,874.33, 182,148,569.90 and 39,549,127.97 is: 59,327,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,423,874.33 : 182,148,569.90 = 39,549,127.97 : x
  2. Step 2: Convert to fraction form
    121,423,874.33/182,148,569.90 = 39,549,127.97/x
  3. Step 3: Cross multiply
    121,423,874.33x = 182,148,569.90 × 39,549,127.97
  4. Step 4: Simplify right side
    121,423,874.33x = 7,203,817,100,527,590
  5. Step 5: Solve for x
    x = 7,203,817,100,527,590/121,423,874.33
  6. Step 6: Final answer
    x = 59,327,847.51

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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.