Home / 212,802,082.50-319,216,609.34-89,957,505.18

Finding the Fourth Proportional to 212,802,082.50, 319,216,609.34 and 89,957,505.18

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Solution

The fourth proportional to 212,802,082.50, 319,216,609.34 and 89,957,505.18 is: 134,941,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,802,082.50 : 319,216,609.34 = 89,957,505.18 : x
  2. Step 2: Convert to fraction form
    212,802,082.50/319,216,609.34 = 89,957,505.18/x
  3. Step 3: Cross multiply
    212,802,082.50x = 319,216,609.34 × 89,957,505.18
  4. Step 4: Simplify right side
    212,802,082.50x = 28,715,929,787,795,300
  5. Step 5: Solve for x
    x = 28,715,929,787,795,300/212,802,082.50
  6. Step 6: Final answer
    x = 134,941,958.51

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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.