Home / 108,016,691.76-149,063,964.06-61,609,295.34

Finding the Fourth Proportional to 108,016,691.76, 149,063,964.06 and 61,609,295.34

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Solution

The fourth proportional to 108,016,691.76, 149,063,964.06 and 61,609,295.34 is: 85,021,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,016,691.76 : 149,063,964.06 = 61,609,295.34 : x
  2. Step 2: Convert to fraction form
    108,016,691.76/149,063,964.06 = 61,609,295.34/x
  3. Step 3: Cross multiply
    108,016,691.76x = 149,063,964.06 × 61,609,295.34
  4. Step 4: Simplify right side
    108,016,691.76x = 9,183,725,786,323,686
  5. Step 5: Solve for x
    x = 9,183,725,786,323,686/108,016,691.76
  6. Step 6: Final answer
    x = 85,021,357.69

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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.