Home / 212,480,932.72-293,224,294.46-123,190,229.56

Finding the Fourth Proportional to 212,480,932.72, 293,224,294.46 and 123,190,229.56

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Solution

The fourth proportional to 212,480,932.72, 293,224,294.46 and 123,190,229.56 is: 170,002,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,480,932.72 : 293,224,294.46 = 123,190,229.56 : x
  2. Step 2: Convert to fraction form
    212,480,932.72/293,224,294.46 = 123,190,229.56/x
  3. Step 3: Cross multiply
    212,480,932.72x = 293,224,294.46 × 123,190,229.56
  4. Step 4: Simplify right side
    212,480,932.72x = 36,122,368,145,014,360
  5. Step 5: Solve for x
    x = 36,122,368,145,014,360/212,480,932.72
  6. Step 6: Final answer
    x = 170,002,868.89

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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.