Home / 87,045,761.08-130,461,019.60-43,927,296.76

Finding the Fourth Proportional to 87,045,761.08, 130,461,019.60 and 43,927,296.76

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Solution

The fourth proportional to 87,045,761.08, 130,461,019.60 and 43,927,296.76 is: 65,836,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,045,761.08 : 130,461,019.60 = 43,927,296.76 : x
  2. Step 2: Convert to fraction form
    87,045,761.08/130,461,019.60 = 43,927,296.76/x
  3. Step 3: Cross multiply
    87,045,761.08x = 130,461,019.60 × 43,927,296.76
  4. Step 4: Simplify right side
    87,045,761.08x = 5,730,799,923,581,376
  5. Step 5: Solve for x
    x = 5,730,799,923,581,376/87,045,761.08
  6. Step 6: Final answer
    x = 65,836,634.12

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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.