Home / 108,397,492.20-162,542,438.10-39,307,537.80

Finding the Fourth Proportional to 108,397,492.20, 162,542,438.10 and 39,307,537.80

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Solution

The fourth proportional to 108,397,492.20, 162,542,438.10 and 39,307,537.80 is: 58,941,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,397,492.20 : 162,542,438.10 = 39,307,537.80 : x
  2. Step 2: Convert to fraction form
    108,397,492.20/162,542,438.10 = 39,307,537.80/x
  3. Step 3: Cross multiply
    108,397,492.20x = 162,542,438.10 × 39,307,537.80
  4. Step 4: Simplify right side
    108,397,492.20x = 6,389,143,029,719,909
  5. Step 5: Solve for x
    x = 6,389,143,029,719,909/108,397,492.20
  6. Step 6: Final answer
    x = 58,941,797.45

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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.