Home / 86,559,449.24-129,847,155.67-28,267,432.75

Finding the Fourth Proportional to 86,559,449.24, 129,847,155.67 and 28,267,432.75

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Solution

The fourth proportional to 86,559,449.24, 129,847,155.67 and 28,267,432.75 is: 42,403,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,559,449.24 : 129,847,155.67 = 28,267,432.75 : x
  2. Step 2: Convert to fraction form
    86,559,449.24/129,847,155.67 = 28,267,432.75/x
  3. Step 3: Cross multiply
    86,559,449.24x = 129,847,155.67 × 28,267,432.75
  4. Step 4: Simplify right side
    86,559,449.24x = 3,670,445,740,719,286
  5. Step 5: Solve for x
    x = 3,670,445,740,719,286/86,559,449.24
  6. Step 6: Final answer
    x = 42,403,755.72

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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.