Home / 102,372,007.68-141,273,381.12-55,962,469.12

Finding the Fourth Proportional to 102,372,007.68, 141,273,381.12 and 55,962,469.12

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Solution

The fourth proportional to 102,372,007.68, 141,273,381.12 and 55,962,469.12 is: 77,228,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,372,007.68 : 141,273,381.12 = 55,962,469.12 : x
  2. Step 2: Convert to fraction form
    102,372,007.68/141,273,381.12 = 55,962,469.12/x
  3. Step 3: Cross multiply
    102,372,007.68x = 141,273,381.12 × 55,962,469.12
  4. Step 4: Simplify right side
    102,372,007.68x = 7,906,007,228,405,991
  5. Step 5: Solve for x
    x = 7,906,007,228,405,991/102,372,007.68
  6. Step 6: Final answer
    x = 77,228,213.14

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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.