Home / 132,841,204.40-199,261,806.60-81,556,929.20

Finding the Fourth Proportional to 132,841,204.40, 199,261,806.60 and 81,556,929.20

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Solution

The fourth proportional to 132,841,204.40, 199,261,806.60 and 81,556,929.20 is: 122,335,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,841,204.40 : 199,261,806.60 = 81,556,929.20 : x
  2. Step 2: Convert to fraction form
    132,841,204.40/199,261,806.60 = 81,556,929.20/x
  3. Step 3: Cross multiply
    132,841,204.40x = 199,261,806.60 × 81,556,929.20
  4. Step 4: Simplify right side
    132,841,204.40x = 16,251,181,053,140,292
  5. Step 5: Solve for x
    x = 16,251,181,053,140,292/132,841,204.40
  6. Step 6: Final answer
    x = 122,335,393.80

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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.