Home / 108,870,932.20-163,320,395.10-54,311,405.80

Finding the Fourth Proportional to 108,870,932.20, 163,320,395.10 and 54,311,405.80

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Solution

The fourth proportional to 108,870,932.20, 163,320,395.10 and 54,311,405.80 is: 81,474,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,870,932.20 : 163,320,395.10 = 54,311,405.80 : x
  2. Step 2: Convert to fraction form
    108,870,932.20/163,320,395.10 = 54,311,405.80/x
  3. Step 3: Cross multiply
    108,870,932.20x = 163,320,395.10 × 54,311,405.80
  4. Step 4: Simplify right side
    108,870,932.20x = 8,870,160,253,692,431
  5. Step 5: Solve for x
    x = 8,870,160,253,692,431/108,870,932.20
  6. Step 6: Final answer
    x = 81,474,091.15

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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.