Home / 250,479,824.52-345,650,446.94-138,969,478.59

Finding the Fourth Proportional to 250,479,824.52, 345,650,446.94 and 138,969,478.59

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Solution

The fourth proportional to 250,479,824.52, 345,650,446.94 and 138,969,478.59 is: 191,771,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,479,824.52 : 345,650,446.94 = 138,969,478.59 : x
  2. Step 2: Convert to fraction form
    250,479,824.52/345,650,446.94 = 138,969,478.59/x
  3. Step 3: Cross multiply
    250,479,824.52x = 345,650,446.94 × 138,969,478.59
  4. Step 4: Simplify right side
    250,479,824.52x = 48,034,862,385,652,264
  5. Step 5: Solve for x
    x = 48,034,862,385,652,264/250,479,824.52
  6. Step 6: Final answer
    x = 191,771,383.10

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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.