Home / 87,168,313.40-130,752,470.10-73,731,385.40

Finding the Fourth Proportional to 87,168,313.40, 130,752,470.10 and 73,731,385.40

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Solution

The fourth proportional to 87,168,313.40, 130,752,470.10 and 73,731,385.40 is: 110,597,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,168,313.40 : 130,752,470.10 = 73,731,385.40 : x
  2. Step 2: Convert to fraction form
    87,168,313.40/130,752,470.10 = 73,731,385.40/x
  3. Step 3: Cross multiply
    87,168,313.40x = 130,752,470.10 × 73,731,385.40
  4. Step 4: Simplify right side
    87,168,313.40x = 9,640,560,764,945,076
  5. Step 5: Solve for x
    x = 9,640,560,764,945,076/87,168,313.40
  6. Step 6: Final answer
    x = 110,597,078.10

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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.