Home / 250,479,823.52-345,650,445.56-138,969,477.59

Finding the Fourth Proportional to 250,479,823.52, 345,650,445.56 and 138,969,477.59

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Solution

The fourth proportional to 250,479,823.52, 345,650,445.56 and 138,969,477.59 is: 191,771,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,479,823.52 : 345,650,445.56 = 138,969,477.59 : x
  2. Step 2: Convert to fraction form
    250,479,823.52/345,650,445.56 = 138,969,477.59/x
  3. Step 3: Cross multiply
    250,479,823.52x = 345,650,445.56 × 138,969,477.59
  4. Step 4: Simplify right side
    250,479,823.52x = 48,034,861,846,843,112
  5. Step 5: Solve for x
    x = 48,034,861,846,843,112/250,479,823.52
  6. Step 6: Final answer
    x = 191,771,381.71

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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.