Home / 108,524,804.70-162,787,207.05-74,087,427.90

Finding the Fourth Proportional to 108,524,804.70, 162,787,207.05 and 74,087,427.90

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Solution

The fourth proportional to 108,524,804.70, 162,787,207.05 and 74,087,427.90 is: 111,131,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,524,804.70 : 162,787,207.05 = 74,087,427.90 : x
  2. Step 2: Convert to fraction form
    108,524,804.70/162,787,207.05 = 74,087,427.90/x
  3. Step 3: Cross multiply
    108,524,804.70x = 162,787,207.05 × 74,087,427.90
  4. Step 4: Simplify right side
    108,524,804.70x = 12,060,485,465,359,248
  5. Step 5: Solve for x
    x = 12,060,485,465,359,248/108,524,804.70
  6. Step 6: Final answer
    x = 111,131,141.85

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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.