Home / 89,890,775.91-134,842,142.88-31,591,402.97

Finding the Fourth Proportional to 89,890,775.91, 134,842,142.88 and 31,591,402.97

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Solution

The fourth proportional to 89,890,775.91, 134,842,142.88 and 31,591,402.97 is: 47,389,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,890,775.91 : 134,842,142.88 = 31,591,402.97 : x
  2. Step 2: Convert to fraction form
    89,890,775.91/134,842,142.88 = 31,591,402.97/x
  3. Step 3: Cross multiply
    89,890,775.91x = 134,842,142.88 × 31,591,402.97
  4. Step 4: Simplify right side
    89,890,775.91x = 4,259,852,472,386,185.50
  5. Step 5: Solve for x
    x = 4,259,852,472,386,185.50/89,890,775.91
  6. Step 6: Final answer
    x = 47,389,205.73

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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.