Home / 84,010,642.90-126,034,472.52-25,718,761.79

Finding the Fourth Proportional to 84,010,642.90, 126,034,472.52 and 25,718,761.79

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Solution

The fourth proportional to 84,010,642.90, 126,034,472.52 and 25,718,761.79 is: 38,583,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,010,642.90 : 126,034,472.52 = 25,718,761.79 : x
  2. Step 2: Convert to fraction form
    84,010,642.90/126,034,472.52 = 25,718,761.79/x
  3. Step 3: Cross multiply
    84,010,642.90x = 126,034,472.52 × 25,718,761.79
  4. Step 4: Simplify right side
    84,010,642.90x = 3,241,450,576,070,181
  5. Step 5: Solve for x
    x = 3,241,450,576,070,181/84,010,642.90
  6. Step 6: Final answer
    x = 38,583,808.72

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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.