Home / 218,290,040.70-327,435,061.05-109,132,059.30

Finding the Fourth Proportional to 218,290,040.70, 327,435,061.05 and 109,132,059.30

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Solution

The fourth proportional to 218,290,040.70, 327,435,061.05 and 109,132,059.30 is: 163,698,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,290,040.70 : 327,435,061.05 = 109,132,059.30 : x
  2. Step 2: Convert to fraction form
    218,290,040.70/327,435,061.05 = 109,132,059.30/x
  3. Step 3: Cross multiply
    218,290,040.70x = 327,435,061.05 × 109,132,059.30
  4. Step 4: Simplify right side
    218,290,040.70x = 35,733,662,499,407,720
  5. Step 5: Solve for x
    x = 35,733,662,499,407,720/218,290,040.70
  6. Step 6: Final answer
    x = 163,698,088.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.