Home / 108,517,265.92-162,801,109.76-31,837,196.80

Finding the Fourth Proportional to 108,517,265.92, 162,801,109.76 and 31,837,196.80

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Solution

The fourth proportional to 108,517,265.92, 162,801,109.76 and 31,837,196.80 is: 47,763,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,517,265.92 : 162,801,109.76 = 31,837,196.80 : x
  2. Step 2: Convert to fraction form
    108,517,265.92/162,801,109.76 = 31,837,196.80/x
  3. Step 3: Cross multiply
    108,517,265.92x = 162,801,109.76 × 31,837,196.80
  4. Step 4: Simplify right side
    108,517,265.92x = 5,183,130,970,687,521
  5. Step 5: Solve for x
    x = 5,183,130,970,687,521/108,517,265.92
  6. Step 6: Final answer
    x = 47,763,191.66

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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.