Home / 209,952,606.20-314,928,909.30-117,741,687.80

Finding the Fourth Proportional to 209,952,606.20, 314,928,909.30 and 117,741,687.80

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Solution

The fourth proportional to 209,952,606.20, 314,928,909.30 and 117,741,687.80 is: 176,612,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,606.20 : 314,928,909.30 = 117,741,687.80 : x
  2. Step 2: Convert to fraction form
    209,952,606.20/314,928,909.30 = 117,741,687.80/x
  3. Step 3: Cross multiply
    209,952,606.20x = 314,928,909.30 × 117,741,687.80
  4. Step 4: Simplify right side
    209,952,606.20x = 37,080,261,317,995,120
  5. Step 5: Solve for x
    x = 37,080,261,317,995,120/209,952,606.20
  6. Step 6: Final answer
    x = 176,612,531.70

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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.