Home / 132,279,008.40-198,418,512.60-117,918,291.60

Finding the Fourth Proportional to 132,279,008.40, 198,418,512.60 and 117,918,291.60

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Solution

The fourth proportional to 132,279,008.40, 198,418,512.60 and 117,918,291.60 is: 176,877,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,279,008.40 : 198,418,512.60 = 117,918,291.60 : x
  2. Step 2: Convert to fraction form
    132,279,008.40/198,418,512.60 = 117,918,291.60/x
  3. Step 3: Cross multiply
    132,279,008.40x = 198,418,512.60 × 117,918,291.60
  4. Step 4: Simplify right side
    132,279,008.40x = 23,397,172,027,605,072
  5. Step 5: Solve for x
    x = 23,397,172,027,605,072/132,279,008.40
  6. Step 6: Final answer
    x = 176,877,437.40

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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.