Home / 67,420,851.60-101,131,277.40-29,157,099.60

Finding the Fourth Proportional to 67,420,851.60, 101,131,277.40 and 29,157,099.60

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Solution

The fourth proportional to 67,420,851.60, 101,131,277.40 and 29,157,099.60 is: 43,735,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420,851.60 : 101,131,277.40 = 29,157,099.60 : x
  2. Step 2: Convert to fraction form
    67,420,851.60/101,131,277.40 = 29,157,099.60/x
  3. Step 3: Cross multiply
    67,420,851.60x = 101,131,277.40 × 29,157,099.60
  4. Step 4: Simplify right side
    67,420,851.60x = 2,948,694,727,827,029.50
  5. Step 5: Solve for x
    x = 2,948,694,727,827,029.50/67,420,851.60
  6. Step 6: Final answer
    x = 43,735,649.40

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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.