Home / 250,479,821.27-345,650,442.46-138,969,475.34

Finding the Fourth Proportional to 250,479,821.27, 345,650,442.46 and 138,969,475.34

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Solution

The fourth proportional to 250,479,821.27, 345,650,442.46 and 138,969,475.34 is: 191,771,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,479,821.27 : 345,650,442.46 = 138,969,475.34 : x
  2. Step 2: Convert to fraction form
    250,479,821.27/345,650,442.46 = 138,969,475.34/x
  3. Step 3: Cross multiply
    250,479,821.27x = 345,650,442.46 × 138,969,475.34
  4. Step 4: Simplify right side
    250,479,821.27x = 48,034,860,638,410,392
  5. Step 5: Solve for x
    x = 48,034,860,638,410,392/250,479,821.27
  6. Step 6: Final answer
    x = 191,771,378.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.