Home / 78,452,414.70-117,695,645.75-23,863,581.42

Finding the Fourth Proportional to 78,452,414.70, 117,695,645.75 and 23,863,581.42

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Solution

The fourth proportional to 78,452,414.70, 117,695,645.75 and 23,863,581.42 is: 35,800,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,452,414.70 : 117,695,645.75 = 23,863,581.42 : x
  2. Step 2: Convert to fraction form
    78,452,414.70/117,695,645.75 = 23,863,581.42/x
  3. Step 3: Cross multiply
    78,452,414.70x = 117,695,645.75 × 23,863,581.42
  4. Step 4: Simplify right side
    78,452,414.70x = 2,808,639,625,134,602
  5. Step 5: Solve for x
    x = 2,808,639,625,134,602/78,452,414.70
  6. Step 6: Final answer
    x = 35,800,550.38

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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.