Home / 108,103,189.93-162,413,474.29-69,317,631.61

Finding the Fourth Proportional to 108,103,189.93, 162,413,474.29 and 69,317,631.61

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Solution

The fourth proportional to 108,103,189.93, 162,413,474.29 and 69,317,631.61 is: 104,142,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103,189.93 : 162,413,474.29 = 69,317,631.61 : x
  2. Step 2: Convert to fraction form
    108,103,189.93/162,413,474.29 = 69,317,631.61/x
  3. Step 3: Cross multiply
    108,103,189.93x = 162,413,474.29 × 69,317,631.61
  4. Step 4: Simplify right side
    108,103,189.93x = 11,258,117,378,755,098
  5. Step 5: Solve for x
    x = 11,258,117,378,755,098/108,103,189.93
  6. Step 6: Final answer
    x = 104,142,323.52

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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.