Home / 256,836,001.35-385,254,002.03-147,996,884.55

Finding the Fourth Proportional to 256,836,001.35, 385,254,002.03 and 147,996,884.55

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Solution

The fourth proportional to 256,836,001.35, 385,254,002.03 and 147,996,884.55 is: 221,995,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,836,001.35 : 385,254,002.03 = 147,996,884.55 : x
  2. Step 2: Convert to fraction form
    256,836,001.35/385,254,002.03 = 147,996,884.55/x
  3. Step 3: Cross multiply
    256,836,001.35x = 385,254,002.03 × 147,996,884.55
  4. Step 4: Simplify right side
    256,836,001.35x = 57,016,392,060,119,392
  5. Step 5: Solve for x
    x = 57,016,392,060,119,392/256,836,001.35
  6. Step 6: Final answer
    x = 221,995,326.83

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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.