Home / 261,468,149.40-392,160,233.70-79,673,045.40

Finding the Fourth Proportional to 261,468,149.40, 392,160,233.70 and 79,673,045.40

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Solution

The fourth proportional to 261,468,149.40, 392,160,233.70 and 79,673,045.40 is: 119,496,773.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,468,149.40 : 392,160,233.70 = 79,673,045.40 : x
  2. Step 2: Convert to fraction form
    261,468,149.40/392,160,233.70 = 79,673,045.40/x
  3. Step 3: Cross multiply
    261,468,149.40x = 392,160,233.70 × 79,673,045.40
  4. Step 4: Simplify right side
    261,468,149.40x = 31,244,600,103,654,712
  5. Step 5: Solve for x
    x = 31,244,600,103,654,712/261,468,149.40
  6. Step 6: Final answer
    x = 119,496,773.03

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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.