Home / 102,341,459.88-141,217,569.54-65,721,632.04

Finding the Fourth Proportional to 102,341,459.88, 141,217,569.54 and 65,721,632.04

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Solution

The fourth proportional to 102,341,459.88, 141,217,569.54 and 65,721,632.04 is: 90,687,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,341,459.88 : 141,217,569.54 = 65,721,632.04 : x
  2. Step 2: Convert to fraction form
    102,341,459.88/141,217,569.54 = 65,721,632.04/x
  3. Step 3: Cross multiply
    102,341,459.88x = 141,217,569.54 × 65,721,632.04
  4. Step 4: Simplify right side
    102,341,459.88x = 9,281,049,142,890,992
  5. Step 5: Solve for x
    x = 9,281,049,142,890,992/102,341,459.88
  6. Step 6: Final answer
    x = 90,687,089.61

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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.