Home / 212,083,209.28-318,121,617.66-95,416,174.72

Finding the Fourth Proportional to 212,083,209.28, 318,121,617.66 and 95,416,174.72

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Solution

The fourth proportional to 212,083,209.28, 318,121,617.66 and 95,416,174.72 is: 143,122,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,083,209.28 : 318,121,617.66 = 95,416,174.72 : x
  2. Step 2: Convert to fraction form
    212,083,209.28/318,121,617.66 = 95,416,174.72/x
  3. Step 3: Cross multiply
    212,083,209.28x = 318,121,617.66 × 95,416,174.72
  4. Step 4: Simplify right side
    212,083,209.28x = 30,353,947,852,855,600
  5. Step 5: Solve for x
    x = 30,353,947,852,855,600/212,083,209.28
  6. Step 6: Final answer
    x = 143,122,824.08

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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.