Home / 84,217,810.60-126,338,766.56-25,930,420.12

Finding the Fourth Proportional to 84,217,810.60, 126,338,766.56 and 25,930,420.12

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Solution

The fourth proportional to 84,217,810.60, 126,338,766.56 and 25,930,420.12 is: 38,899,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217,810.60 : 126,338,766.56 = 25,930,420.12 : x
  2. Step 2: Convert to fraction form
    84,217,810.60/126,338,766.56 = 25,930,420.12/x
  3. Step 3: Cross multiply
    84,217,810.60x = 126,338,766.56 × 25,930,420.12
  4. Step 4: Simplify right side
    84,217,810.60x = 3,276,017,294,343,407.50
  5. Step 5: Solve for x
    x = 3,276,017,294,343,407.50/84,217,810.60
  6. Step 6: Final answer
    x = 38,899,340.54

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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.