Home / 132,642,893.98-198,966,403.16-39,279,309.92

Finding the Fourth Proportional to 132,642,893.98, 198,966,403.16 and 39,279,309.92

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Solution

The fourth proportional to 132,642,893.98, 198,966,403.16 and 39,279,309.92 is: 58,919,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,642,893.98 : 198,966,403.16 = 39,279,309.92 : x
  2. Step 2: Convert to fraction form
    132,642,893.98/198,966,403.16 = 39,279,309.92/x
  3. Step 3: Cross multiply
    132,642,893.98x = 198,966,403.16 × 39,279,309.92
  4. Step 4: Simplify right side
    132,642,893.98x = 7,815,263,013,389,308
  5. Step 5: Solve for x
    x = 7,815,263,013,389,308/132,642,893.98
  6. Step 6: Final answer
    x = 58,919,575.55

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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.