Home / 156,536,578.60-234,580,919.10-115,274,012.20

Finding the Fourth Proportional to 156,536,578.60, 234,580,919.10 and 115,274,012.20

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Solution

The fourth proportional to 156,536,578.60, 234,580,919.10 and 115,274,012.20 is: 172,746,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,536,578.60 : 234,580,919.10 = 115,274,012.20 : x
  2. Step 2: Convert to fraction form
    156,536,578.60/234,580,919.10 = 115,274,012.20/x
  3. Step 3: Cross multiply
    156,536,578.60x = 234,580,919.10 × 115,274,012.20
  4. Step 4: Simplify right side
    156,536,578.60x = 27,041,083,730,220,612
  5. Step 5: Solve for x
    x = 27,041,083,730,220,612/156,536,578.60
  6. Step 6: Final answer
    x = 172,746,101.72

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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.