Home / 108,524,760.20-162,787,140.30-74,087,383.40

Finding the Fourth Proportional to 108,524,760.20, 162,787,140.30 and 74,087,383.40

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Solution

The fourth proportional to 108,524,760.20, 162,787,140.30 and 74,087,383.40 is: 111,131,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,524,760.20 : 162,787,140.30 = 74,087,383.40 : x
  2. Step 2: Convert to fraction form
    108,524,760.20/162,787,140.30 = 74,087,383.40/x
  3. Step 3: Cross multiply
    108,524,760.20x = 162,787,140.30 × 74,087,383.40
  4. Step 4: Simplify right side
    108,524,760.20x = 12,060,473,275,995,692
  5. Step 5: Solve for x
    x = 12,060,473,275,995,692/108,524,760.20
  6. Step 6: Final answer
    x = 111,131,075.10

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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.