Home / 79,161,755.60-118,726,044.60-38,801,205.20

Finding the Fourth Proportional to 79,161,755.60, 118,726,044.60 and 38,801,205.20

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Solution

The fourth proportional to 79,161,755.60, 118,726,044.60 and 38,801,205.20 is: 58,193,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,161,755.60 : 118,726,044.60 = 38,801,205.20 : x
  2. Step 2: Convert to fraction form
    79,161,755.60/118,726,044.60 = 38,801,205.20/x
  3. Step 3: Cross multiply
    79,161,755.60x = 118,726,044.60 × 38,801,205.20
  4. Step 4: Simplify right side
    79,161,755.60x = 4,606,713,619,108,952
  5. Step 5: Solve for x
    x = 4,606,713,619,108,952/79,161,755.60
  6. Step 6: Final answer
    x = 58,193,676.78

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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.