Home / 146,915,542.40-220,373,313.60-137,957,590.40

Finding the Fourth Proportional to 146,915,542.40, 220,373,313.60 and 137,957,590.40

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Solution

The fourth proportional to 146,915,542.40, 220,373,313.60 and 137,957,590.40 is: 206,936,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,915,542.40 : 220,373,313.60 = 137,957,590.40 : x
  2. Step 2: Convert to fraction form
    146,915,542.40/220,373,313.60 = 137,957,590.40/x
  3. Step 3: Cross multiply
    146,915,542.40x = 220,373,313.60 × 137,957,590.40
  4. Step 4: Simplify right side
    146,915,542.40x = 30,402,171,332,719,548
  5. Step 5: Solve for x
    x = 30,402,171,332,719,548/146,915,542.40
  6. Step 6: Final answer
    x = 206,936,385.60

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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.