Home / 149,191,516.74-204,393,107.25-143,599,853.78

Finding the Fourth Proportional to 149,191,516.74, 204,393,107.25 and 143,599,853.78

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Solution

The fourth proportional to 149,191,516.74, 204,393,107.25 and 143,599,853.78 is: 196,732,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,191,516.74 : 204,393,107.25 = 143,599,853.78 : x
  2. Step 2: Convert to fraction form
    149,191,516.74/204,393,107.25 = 143,599,853.78/x
  3. Step 3: Cross multiply
    149,191,516.74x = 204,393,107.25 × 143,599,853.78
  4. Step 4: Simplify right side
    149,191,516.74x = 29,350,820,314,739,860
  5. Step 5: Solve for x
    x = 29,350,820,314,739,860/149,191,516.74
  6. Step 6: Final answer
    x = 196,732,501.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.