Home / 130,534,481.97-180,137,677.08-71,801,615.25

Finding the Fourth Proportional to 130,534,481.97, 180,137,677.08 and 71,801,615.25

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Solution

The fourth proportional to 130,534,481.97, 180,137,677.08 and 71,801,615.25 is: 99,086,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,534,481.97 : 180,137,677.08 = 71,801,615.25 : x
  2. Step 2: Convert to fraction form
    130,534,481.97/180,137,677.08 = 71,801,615.25/x
  3. Step 3: Cross multiply
    130,534,481.97x = 180,137,677.08 × 71,801,615.25
  4. Step 4: Simplify right side
    130,534,481.97x = 12,934,176,181,726,904
  5. Step 5: Solve for x
    x = 12,934,176,181,726,904/130,534,481.97
  6. Step 6: Final answer
    x = 99,086,279.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.