Home / 158,473,912.34-218,661,250.25-91,491,709.74

Finding the Fourth Proportional to 158,473,912.34, 218,661,250.25 and 91,491,709.74

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Solution

The fourth proportional to 158,473,912.34, 218,661,250.25 and 91,491,709.74 is: 126,239,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,473,912.34 : 218,661,250.25 = 91,491,709.74 : x
  2. Step 2: Convert to fraction form
    158,473,912.34/218,661,250.25 = 91,491,709.74/x
  3. Step 3: Cross multiply
    158,473,912.34x = 218,661,250.25 × 91,491,709.74
  4. Step 4: Simplify right side
    158,473,912.34x = 20,005,691,639,487,232
  5. Step 5: Solve for x
    x = 20,005,691,639,487,232/158,473,912.34
  6. Step 6: Final answer
    x = 126,239,652.60

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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.