Home / 108,115,135.20-149,201,295.76-61,704,458.24

Finding the Fourth Proportional to 108,115,135.20, 149,201,295.76 and 61,704,458.24

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Solution

The fourth proportional to 108,115,135.20, 149,201,295.76 and 61,704,458.24 is: 85,153,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115,135.20 : 149,201,295.76 = 61,704,458.24 : x
  2. Step 2: Convert to fraction form
    108,115,135.20/149,201,295.76 = 61,704,458.24/x
  3. Step 3: Cross multiply
    108,115,135.20x = 149,201,295.76 × 61,704,458.24
  4. Step 4: Simplify right side
    108,115,135.20x = 9,206,385,123,576,808
  5. Step 5: Solve for x
    x = 9,206,385,123,576,808/108,115,135.20
  6. Step 6: Final answer
    x = 85,153,527.36

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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.