Home / 75,071,839.20-112,466,041.20-38,555,937.60

Finding the Fourth Proportional to 75,071,839.20, 112,466,041.20 and 38,555,937.60

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Solution

The fourth proportional to 75,071,839.20, 112,466,041.20 and 38,555,937.60 is: 57,761,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,071,839.20 : 112,466,041.20 = 38,555,937.60 : x
  2. Step 2: Convert to fraction form
    75,071,839.20/112,466,041.20 = 38,555,937.60/x
  3. Step 3: Cross multiply
    75,071,839.20x = 112,466,041.20 × 38,555,937.60
  4. Step 4: Simplify right side
    75,071,839.20x = 4,336,233,666,626,229.50
  5. Step 5: Solve for x
    x = 4,336,233,666,626,229.50/75,071,839.20
  6. Step 6: Final answer
    x = 57,761,122.05

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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.