Home / 84,092,893.60-126,139,340.40-61,418,077.60

Finding the Fourth Proportional to 84,092,893.60, 126,139,340.40 and 61,418,077.60

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Solution

The fourth proportional to 84,092,893.60, 126,139,340.40 and 61,418,077.60 is: 92,127,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,092,893.60 : 126,139,340.40 = 61,418,077.60 : x
  2. Step 2: Convert to fraction form
    84,092,893.60/126,139,340.40 = 61,418,077.60/x
  3. Step 3: Cross multiply
    84,092,893.60x = 126,139,340.40 × 61,418,077.60
  4. Step 4: Simplify right side
    84,092,893.60x = 7,747,235,797,100,016
  5. Step 5: Solve for x
    x = 7,747,235,797,100,016/84,092,893.60
  6. Step 6: Final answer
    x = 92,127,116.40

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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.