Home / 98,408,839.20-147,613,258.80-47,278,528.80

Finding the Fourth Proportional to 98,408,839.20, 147,613,258.80 and 47,278,528.80

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Solution

The fourth proportional to 98,408,839.20, 147,613,258.80 and 47,278,528.80 is: 70,917,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,408,839.20 : 147,613,258.80 = 47,278,528.80 : x
  2. Step 2: Convert to fraction form
    98,408,839.20/147,613,258.80 = 47,278,528.80/x
  3. Step 3: Cross multiply
    98,408,839.20x = 147,613,258.80 × 47,278,528.80
  4. Step 4: Simplify right side
    98,408,839.20x = 6,978,937,707,437,654
  5. Step 5: Solve for x
    x = 6,978,937,707,437,654/98,408,839.20
  6. Step 6: Final answer
    x = 70,917,793.20

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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.