Home / 209,952,244.20-314,928,366.30-155,532,685.80

Finding the Fourth Proportional to 209,952,244.20, 314,928,366.30 and 155,532,685.80

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Solution

The fourth proportional to 209,952,244.20, 314,928,366.30 and 155,532,685.80 is: 233,299,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,244.20 : 314,928,366.30 = 155,532,685.80 : x
  2. Step 2: Convert to fraction form
    209,952,244.20/314,928,366.30 = 155,532,685.80/x
  3. Step 3: Cross multiply
    209,952,244.20x = 314,928,366.30 × 155,532,685.80
  4. Step 4: Simplify right side
    209,952,244.20x = 48,981,654,645,245,216
  5. Step 5: Solve for x
    x = 48,981,654,645,245,216/209,952,244.20
  6. Step 6: Final answer
    x = 233,299,028.70

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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.