Home / 118,894,511.20-178,341,766.80-54,324,429.70

Finding the Fourth Proportional to 118,894,511.20, 178,341,766.80 and 54,324,429.70

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Solution

The fourth proportional to 118,894,511.20, 178,341,766.80 and 54,324,429.70 is: 81,486,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,894,511.20 : 178,341,766.80 = 54,324,429.70 : x
  2. Step 2: Convert to fraction form
    118,894,511.20/178,341,766.80 = 54,324,429.70/x
  3. Step 3: Cross multiply
    118,894,511.20x = 178,341,766.80 × 54,324,429.70
  4. Step 4: Simplify right side
    118,894,511.20x = 9,688,314,773,100,396
  5. Step 5: Solve for x
    x = 9,688,314,773,100,396/118,894,511.20
  6. Step 6: Final answer
    x = 81,486,644.55

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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.