Home / 313,279,361.32-431,778,277.86-229,469,436.52

Finding the Fourth Proportional to 313,279,361.32, 431,778,277.86 and 229,469,436.52

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Solution

The fourth proportional to 313,279,361.32, 431,778,277.86 and 229,469,436.52 is: 316,266,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,279,361.32 : 431,778,277.86 = 229,469,436.52 : x
  2. Step 2: Convert to fraction form
    313,279,361.32/431,778,277.86 = 229,469,436.52/x
  3. Step 3: Cross multiply
    313,279,361.32x = 431,778,277.86 × 229,469,436.52
  4. Step 4: Simplify right side
    313,279,361.32x = 99,079,918,122,110,192
  5. Step 5: Solve for x
    x = 99,079,918,122,110,192/313,279,361.32
  6. Step 6: Final answer
    x = 316,266,981.98

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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.