Home / 86,098,259.28-129,079,187.28-42,945,250.08

Finding the Fourth Proportional to 86,098,259.28, 129,079,187.28 and 42,945,250.08

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Solution

The fourth proportional to 86,098,259.28, 129,079,187.28 and 42,945,250.08 is: 64,383,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,098,259.28 : 129,079,187.28 = 42,945,250.08 : x
  2. Step 2: Convert to fraction form
    86,098,259.28/129,079,187.28 = 42,945,250.08/x
  3. Step 3: Cross multiply
    86,098,259.28x = 129,079,187.28 × 42,945,250.08
  4. Step 4: Simplify right side
    86,098,259.28x = 5,543,337,977,862,755
  5. Step 5: Solve for x
    x = 5,543,337,977,862,755/86,098,259.28
  6. Step 6: Final answer
    x = 64,383,856.59

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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.