Home / 83,734,608-115,536,822.52-48,920,575.12

Finding the Fourth Proportional to 83,734,608, 115,536,822.52 and 48,920,575.12

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Solution

The fourth proportional to 83,734,608, 115,536,822.52 and 48,920,575.12 is: 67,500,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,734,608 : 115,536,822.52 = 48,920,575.12 : x
  2. Step 2: Convert to fraction form
    83,734,608/115,536,822.52 = 48,920,575.12/x
  3. Step 3: Cross multiply
    83,734,608x = 115,536,822.52 × 48,920,575.12
  4. Step 4: Simplify right side
    83,734,608x = 5,652,127,805,215,767
  5. Step 5: Solve for x
    x = 5,652,127,805,215,767/83,734,608
  6. Step 6: Final answer
    x = 67,500,498.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.