Home / 154,654,330.60-231,976,247.10-39,640,000.60

Finding the Fourth Proportional to 154,654,330.60, 231,976,247.10 and 39,640,000.60

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Solution

The fourth proportional to 154,654,330.60, 231,976,247.10 and 39,640,000.60 is: 59,458,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,654,330.60 : 231,976,247.10 = 39,640,000.60 : x
  2. Step 2: Convert to fraction form
    154,654,330.60/231,976,247.10 = 39,640,000.60/x
  3. Step 3: Cross multiply
    154,654,330.60x = 231,976,247.10 × 39,640,000.60
  4. Step 4: Simplify right side
    154,654,330.60x = 9,195,538,574,229,748
  5. Step 5: Solve for x
    x = 9,195,538,574,229,748/154,654,330.60
  6. Step 6: Final answer
    x = 59,458,655.56

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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.