Home / 256,836,002.35-385,254,003.53-147,996,885.55

Finding the Fourth Proportional to 256,836,002.35, 385,254,003.53 and 147,996,885.55

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Solution

The fourth proportional to 256,836,002.35, 385,254,003.53 and 147,996,885.55 is: 221,995,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,836,002.35 : 385,254,003.53 = 147,996,885.55 : x
  2. Step 2: Convert to fraction form
    256,836,002.35/385,254,003.53 = 147,996,885.55/x
  3. Step 3: Cross multiply
    256,836,002.35x = 385,254,003.53 × 147,996,885.55
  4. Step 4: Simplify right side
    256,836,002.35x = 57,016,392,668,108,704
  5. Step 5: Solve for x
    x = 57,016,392,668,108,704/256,836,002.35
  6. Step 6: Final answer
    x = 221,995,328.33

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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.