Home / 92,676,015.80-139,080,378.90-38,861,948.60

Finding the Fourth Proportional to 92,676,015.80, 139,080,378.90 and 38,861,948.60

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Solution

The fourth proportional to 92,676,015.80, 139,080,378.90 and 38,861,948.60 is: 58,320,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,676,015.80 : 139,080,378.90 = 38,861,948.60 : x
  2. Step 2: Convert to fraction form
    92,676,015.80/139,080,378.90 = 38,861,948.60/x
  3. Step 3: Cross multiply
    92,676,015.80x = 139,080,378.90 × 38,861,948.60
  4. Step 4: Simplify right side
    92,676,015.80x = 5,404,934,536,080,325
  5. Step 5: Solve for x
    x = 5,404,934,536,080,325/92,676,015.80
  6. Step 6: Final answer
    x = 58,320,747.71

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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.