Home / 86,443,375.03-129,674,145.92-28,155,591.97

Finding the Fourth Proportional to 86,443,375.03, 129,674,145.92 and 28,155,591.97

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Solution

The fourth proportional to 86,443,375.03, 129,674,145.92 and 28,155,591.97 is: 42,236,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,443,375.03 : 129,674,145.92 = 28,155,591.97 : x
  2. Step 2: Convert to fraction form
    86,443,375.03/129,674,145.92 = 28,155,591.97/x
  3. Step 3: Cross multiply
    86,443,375.03x = 129,674,145.92 × 28,155,591.97
  4. Step 4: Simplify right side
    86,443,375.03x = 3,651,052,341,116,797.50
  5. Step 5: Solve for x
    x = 3,651,052,341,116,797.50/86,443,375.03
  6. Step 6: Final answer
    x = 42,236,346.51

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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.