Home / 147,313,046.67-203,287,555.76-81,233,512.35

Finding the Fourth Proportional to 147,313,046.67, 203,287,555.76 and 81,233,512.35

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Solution

The fourth proportional to 147,313,046.67, 203,287,555.76 and 81,233,512.35 is: 112,099,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,313,046.67 : 203,287,555.76 = 81,233,512.35 : x
  2. Step 2: Convert to fraction form
    147,313,046.67/203,287,555.76 = 81,233,512.35/x
  3. Step 3: Cross multiply
    147,313,046.67x = 203,287,555.76 × 81,233,512.35
  4. Step 4: Simplify right side
    147,313,046.67x = 16,513,762,171,025,104
  5. Step 5: Solve for x
    x = 16,513,762,171,025,104/147,313,046.67
  6. Step 6: Final answer
    x = 112,099,793.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.