Home / 86,734,411.95-129,846,000.15-75,972,731.70

Finding the Fourth Proportional to 86,734,411.95, 129,846,000.15 and 75,972,731.70

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Solution

The fourth proportional to 86,734,411.95, 129,846,000.15 and 75,972,731.70 is: 113,735,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,734,411.95 : 129,846,000.15 = 75,972,731.70 : x
  2. Step 2: Convert to fraction form
    86,734,411.95/129,846,000.15 = 75,972,731.70/x
  3. Step 3: Cross multiply
    86,734,411.95x = 129,846,000.15 × 75,972,731.70
  4. Step 4: Simplify right side
    86,734,411.95x = 9,864,755,331,714,110
  5. Step 5: Solve for x
    x = 9,864,755,331,714,110/86,734,411.95
  6. Step 6: Final answer
    x = 113,735,195.87

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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.