Home / 101,738,320.02-140,397,561.09-55,327,585.86

Finding the Fourth Proportional to 101,738,320.02, 140,397,561.09 and 55,327,585.86

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Solution

The fourth proportional to 101,738,320.02, 140,397,561.09 and 55,327,585.86 is: 76,351,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,738,320.02 : 140,397,561.09 = 55,327,585.86 : x
  2. Step 2: Convert to fraction form
    101,738,320.02/140,397,561.09 = 55,327,585.86/x
  3. Step 3: Cross multiply
    101,738,320.02x = 140,397,561.09 × 55,327,585.86
  4. Step 4: Simplify right side
    101,738,320.02x = 7,767,858,115,741,570
  5. Step 5: Solve for x
    x = 7,767,858,115,741,570/101,738,320.02
  6. Step 6: Final answer
    x = 76,351,350.35

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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.