Home / 202,631,177.20-279,631,263.72-109,811,684.56

Finding the Fourth Proportional to 202,631,177.20, 279,631,263.72 and 109,811,684.56

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Solution

The fourth proportional to 202,631,177.20, 279,631,263.72 and 109,811,684.56 is: 151,540,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,631,177.20 : 279,631,263.72 = 109,811,684.56 : x
  2. Step 2: Convert to fraction form
    202,631,177.20/279,631,263.72 = 109,811,684.56/x
  3. Step 3: Cross multiply
    202,631,177.20x = 279,631,263.72 × 109,811,684.56
  4. Step 4: Simplify right side
    202,631,177.20x = 30,706,780,124,734,816
  5. Step 5: Solve for x
    x = 30,706,780,124,734,816/202,631,177.20
  6. Step 6: Final answer
    x = 151,540,254.31

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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.