Home / 108,512,993.28-162,762,897.92-38,486,691.84

Finding the Fourth Proportional to 108,512,993.28, 162,762,897.92 and 38,486,691.84

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Solution

The fourth proportional to 108,512,993.28, 162,762,897.92 and 38,486,691.84 is: 57,727,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,512,993.28 : 162,762,897.92 = 38,486,691.84 : x
  2. Step 2: Convert to fraction form
    108,512,993.28/162,762,897.92 = 38,486,691.84/x
  3. Step 3: Cross multiply
    108,512,993.28x = 162,762,897.92 × 38,486,691.84
  4. Step 4: Simplify right side
    108,512,993.28x = 6,264,205,495,232,417
  5. Step 5: Solve for x
    x = 6,264,205,495,232,417/108,512,993.28
  6. Step 6: Final answer
    x = 57,727,699.75

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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.