Home / 311,023,687.06-429,214,151.04-169,896,865.38

Finding the Fourth Proportional to 311,023,687.06, 429,214,151.04 and 169,896,865.38

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Solution

The fourth proportional to 311,023,687.06, 429,214,151.04 and 169,896,865.38 is: 234,458,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,023,687.06 : 429,214,151.04 = 169,896,865.38 : x
  2. Step 2: Convert to fraction form
    311,023,687.06/429,214,151.04 = 169,896,865.38/x
  3. Step 3: Cross multiply
    311,023,687.06x = 429,214,151.04 × 169,896,865.38
  4. Step 4: Simplify right side
    311,023,687.06x = 72,922,138,837,584,384
  5. Step 5: Solve for x
    x = 72,922,138,837,584,384/311,023,687.06
  6. Step 6: Final answer
    x = 234,458,473.33

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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.