Home / 53,917,553.60-80,876,330.40-38,612,052.80

Finding the Fourth Proportional to 53,917,553.60, 80,876,330.40 and 38,612,052.80

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Solution

The fourth proportional to 53,917,553.60, 80,876,330.40 and 38,612,052.80 is: 57,918,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,917,553.60 : 80,876,330.40 = 38,612,052.80 : x
  2. Step 2: Convert to fraction form
    53,917,553.60/80,876,330.40 = 38,612,052.80/x
  3. Step 3: Cross multiply
    53,917,553.60x = 80,876,330.40 × 38,612,052.80
  4. Step 4: Simplify right side
    53,917,553.60x = 3,122,801,139,675,045
  5. Step 5: Solve for x
    x = 3,122,801,139,675,045/53,917,553.60
  6. Step 6: Final answer
    x = 57,918,079.20

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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.