Home / 78,940,324.52-118,418,609.50-29,797,570.48

Finding the Fourth Proportional to 78,940,324.52, 118,418,609.50 and 29,797,570.48

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Solution

The fourth proportional to 78,940,324.52, 118,418,609.50 and 29,797,570.48 is: 44,699,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,940,324.52 : 118,418,609.50 = 29,797,570.48 : x
  2. Step 2: Convert to fraction form
    78,940,324.52/118,418,609.50 = 29,797,570.48/x
  3. Step 3: Cross multiply
    78,940,324.52x = 118,418,609.50 × 29,797,570.48
  4. Step 4: Simplify right side
    78,940,324.52x = 3,528,586,862,719,847.50
  5. Step 5: Solve for x
    x = 3,528,586,862,719,847.50/78,940,324.52
  6. Step 6: Final answer
    x = 44,699,421.80

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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.