Home / 99,708,921.87-137,621,270.43-58,469,100.27

Finding the Fourth Proportional to 99,708,921.87, 137,621,270.43 and 58,469,100.27

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Solution

The fourth proportional to 99,708,921.87, 137,621,270.43 and 58,469,100.27 is: 80,700,821.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708,921.87 : 137,621,270.43 = 58,469,100.27 : x
  2. Step 2: Convert to fraction form
    99,708,921.87/137,621,270.43 = 58,469,100.27/x
  3. Step 3: Cross multiply
    99,708,921.87x = 137,621,270.43 × 58,469,100.27
  4. Step 4: Simplify right side
    99,708,921.87x = 8,046,591,859,712,403
  5. Step 5: Solve for x
    x = 8,046,591,859,712,403/99,708,921.87
  6. Step 6: Final answer
    x = 80,700,821.04

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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.