Home / 198,144,932.40-296,933,963.40-145,921,996.80

Finding the Fourth Proportional to 198,144,932.40, 296,933,963.40 and 145,921,996.80

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Solution

The fourth proportional to 198,144,932.40, 296,933,963.40 and 145,921,996.80 is: 218,674,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,144,932.40 : 296,933,963.40 = 145,921,996.80 : x
  2. Step 2: Convert to fraction form
    198,144,932.40/296,933,963.40 = 145,921,996.80/x
  3. Step 3: Cross multiply
    198,144,932.40x = 296,933,963.40 × 145,921,996.80
  4. Step 4: Simplify right side
    198,144,932.40x = 43,329,196,857,066,120
  5. Step 5: Solve for x
    x = 43,329,196,857,066,120/198,144,932.40
  6. Step 6: Final answer
    x = 218,674,261.98

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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.