Home / 83,478,352.56-125,019,605.04-66,150,839.04

Finding the Fourth Proportional to 83,478,352.56, 125,019,605.04 and 66,150,839.04

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Solution

The fourth proportional to 83,478,352.56, 125,019,605.04 and 66,150,839.04 is: 99,069,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,478,352.56 : 125,019,605.04 = 66,150,839.04 : x
  2. Step 2: Convert to fraction form
    83,478,352.56/125,019,605.04 = 66,150,839.04/x
  3. Step 3: Cross multiply
    83,478,352.56x = 125,019,605.04 × 66,150,839.04
  4. Step 4: Simplify right side
    83,478,352.56x = 8,270,151,769,845,413
  5. Step 5: Solve for x
    x = 8,270,151,769,845,413/83,478,352.56
  6. Step 6: Final answer
    x = 99,069,417.59

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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.