Home / 118,894,139.70-178,341,209.55-54,324,058.20

Finding the Fourth Proportional to 118,894,139.70, 178,341,209.55 and 54,324,058.20

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Solution

The fourth proportional to 118,894,139.70, 178,341,209.55 and 54,324,058.20 is: 81,486,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,894,139.70 : 178,341,209.55 = 54,324,058.20 : x
  2. Step 2: Convert to fraction form
    118,894,139.70/178,341,209.55 = 54,324,058.20/x
  3. Step 3: Cross multiply
    118,894,139.70x = 178,341,209.55 × 54,324,058.20
  4. Step 4: Simplify right side
    118,894,139.70x = 9,688,218,247,052,596
  5. Step 5: Solve for x
    x = 9,688,218,247,052,596/118,894,139.70
  6. Step 6: Final answer
    x = 81,486,087.30

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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.