Home / 381,266,999.60-571,900,499.40-104,917,679.60

Finding the Fourth Proportional to 381,266,999.60, 571,900,499.40 and 104,917,679.60

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Solution

The fourth proportional to 381,266,999.60, 571,900,499.40 and 104,917,679.60 is: 157,376,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,266,999.60 : 571,900,499.40 = 104,917,679.60 : x
  2. Step 2: Convert to fraction form
    381,266,999.60/571,900,499.40 = 104,917,679.60/x
  3. Step 3: Cross multiply
    381,266,999.60x = 571,900,499.40 × 104,917,679.60
  4. Step 4: Simplify right side
    381,266,999.60x = 60,002,473,359,129,184
  5. Step 5: Solve for x
    x = 60,002,473,359,129,184/381,266,999.60
  6. Step 6: Final answer
    x = 157,376,519.40

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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.