Home / 168,821,129.40-253,231,694.10-141,611,350.20

Finding the Fourth Proportional to 168,821,129.40, 253,231,694.10 and 141,611,350.20

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Solution

The fourth proportional to 168,821,129.40, 253,231,694.10 and 141,611,350.20 is: 212,417,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,821,129.40 : 253,231,694.10 = 141,611,350.20 : x
  2. Step 2: Convert to fraction form
    168,821,129.40/253,231,694.10 = 141,611,350.20/x
  3. Step 3: Cross multiply
    168,821,129.40x = 253,231,694.10 × 141,611,350.20
  4. Step 4: Simplify right side
    168,821,129.40x = 35,860,482,114,934,368
  5. Step 5: Solve for x
    x = 35,860,482,114,934,368/168,821,129.40
  6. Step 6: Final answer
    x = 212,417,025.30

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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.