Home / 92,679,439.20-139,068,925.20-38,832,194.40

Finding the Fourth Proportional to 92,679,439.20, 139,068,925.20 and 38,832,194.40

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Solution

The fourth proportional to 92,679,439.20, 139,068,925.20 and 38,832,194.40 is: 58,269,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,679,439.20 : 139,068,925.20 = 38,832,194.40 : x
  2. Step 2: Convert to fraction form
    92,679,439.20/139,068,925.20 = 38,832,194.40/x
  3. Step 3: Cross multiply
    92,679,439.20x = 139,068,925.20 × 38,832,194.40
  4. Step 4: Simplify right side
    92,679,439.20x = 5,400,351,538,365,458
  5. Step 5: Solve for x
    x = 5,400,351,538,365,458/92,679,439.20
  6. Step 6: Final answer
    x = 58,269,143.46

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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.