Home / 322,472,381.11-483,628,849.13-138,218,960.93

Finding the Fourth Proportional to 322,472,381.11, 483,628,849.13 and 138,218,960.93

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Solution

The fourth proportional to 322,472,381.11, 483,628,849.13 and 138,218,960.93 is: 207,294,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,472,381.11 : 483,628,849.13 = 138,218,960.93 : x
  2. Step 2: Convert to fraction form
    322,472,381.11/483,628,849.13 = 138,218,960.93/x
  3. Step 3: Cross multiply
    322,472,381.11x = 483,628,849.13 × 138,218,960.93
  4. Step 4: Simplify right side
    322,472,381.11x = 66,846,677,000,447,744
  5. Step 5: Solve for x
    x = 66,846,677,000,447,744/322,472,381.11
  6. Step 6: Final answer
    x = 207,294,270.51

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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.