Home / 311,108,085.54-429,324,147.05-169,976,274.53

Finding the Fourth Proportional to 311,108,085.54, 429,324,147.05 and 169,976,274.53

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Solution

The fourth proportional to 311,108,085.54, 429,324,147.05 and 169,976,274.53 is: 234,564,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,108,085.54 : 429,324,147.05 = 169,976,274.53 : x
  2. Step 2: Convert to fraction form
    311,108,085.54/429,324,147.05 = 169,976,274.53/x
  3. Step 3: Cross multiply
    311,108,085.54x = 429,324,147.05 × 169,976,274.53
  4. Step 4: Simplify right side
    311,108,085.54x = 72,974,919,078,332,400
  5. Step 5: Solve for x
    x = 72,974,919,078,332,400/311,108,085.54
  6. Step 6: Final answer
    x = 234,564,521.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.