Home / 256,836,002.10-385,254,003.15-147,996,885.30

Finding the Fourth Proportional to 256,836,002.10, 385,254,003.15 and 147,996,885.30

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Solution

The fourth proportional to 256,836,002.10, 385,254,003.15 and 147,996,885.30 is: 221,995,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,836,002.10 : 385,254,003.15 = 147,996,885.30 : x
  2. Step 2: Convert to fraction form
    256,836,002.10/385,254,003.15 = 147,996,885.30/x
  3. Step 3: Cross multiply
    256,836,002.10x = 385,254,003.15 × 147,996,885.30
  4. Step 4: Simplify right side
    256,836,002.10x = 57,016,392,515,556,392
  5. Step 5: Solve for x
    x = 57,016,392,515,556,392/256,836,002.10
  6. Step 6: Final answer
    x = 221,995,327.95

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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.