Home / 108,115,193.52-149,201,376.12-61,704,516.24

Finding the Fourth Proportional to 108,115,193.52, 149,201,376.12 and 61,704,516.24

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Solution

The fourth proportional to 108,115,193.52, 149,201,376.12 and 61,704,516.24 is: 85,153,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115,193.52 : 149,201,376.12 = 61,704,516.24 : x
  2. Step 2: Convert to fraction form
    108,115,193.52/149,201,376.12 = 61,704,516.24/x
  3. Step 3: Cross multiply
    108,115,193.52x = 149,201,376.12 × 61,704,516.24
  4. Step 4: Simplify right side
    108,115,193.52x = 9,206,398,735,826,888
  5. Step 5: Solve for x
    x = 9,206,398,735,826,888/108,115,193.52
  6. Step 6: Final answer
    x = 85,153,607.33

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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.