Home / 248,832,138.10-373,248,207.15-76,307,581.30

Finding the Fourth Proportional to 248,832,138.10, 373,248,207.15 and 76,307,581.30

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Solution

The fourth proportional to 248,832,138.10, 373,248,207.15 and 76,307,581.30 is: 114,461,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,832,138.10 : 373,248,207.15 = 76,307,581.30 : x
  2. Step 2: Convert to fraction form
    248,832,138.10/373,248,207.15 = 76,307,581.30/x
  3. Step 3: Cross multiply
    248,832,138.10x = 373,248,207.15 × 76,307,581.30
  4. Step 4: Simplify right side
    248,832,138.10x = 28,481,667,912,177,864
  5. Step 5: Solve for x
    x = 28,481,667,912,177,864/248,832,138.10
  6. Step 6: Final answer
    x = 114,461,371.95

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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.