Home / 118,894,490.20-178,341,735.30-54,324,408.70

Finding the Fourth Proportional to 118,894,490.20, 178,341,735.30 and 54,324,408.70

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Solution

The fourth proportional to 118,894,490.20, 178,341,735.30 and 54,324,408.70 is: 81,486,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,894,490.20 : 178,341,735.30 = 54,324,408.70 : x
  2. Step 2: Convert to fraction form
    118,894,490.20/178,341,735.30 = 54,324,408.70/x
  3. Step 3: Cross multiply
    118,894,490.20x = 178,341,735.30 × 54,324,408.70
  4. Step 4: Simplify right side
    118,894,490.20x = 9,688,309,316,704,418
  5. Step 5: Solve for x
    x = 9,688,309,316,704,418/118,894,490.20
  6. Step 6: Final answer
    x = 81,486,613.05

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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.