Home / 209,952,255.20-314,928,382.80-132,468,157.40

Finding the Fourth Proportional to 209,952,255.20, 314,928,382.80 and 132,468,157.40

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Solution

The fourth proportional to 209,952,255.20, 314,928,382.80 and 132,468,157.40 is: 198,702,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,255.20 : 314,928,382.80 = 132,468,157.40 : x
  2. Step 2: Convert to fraction form
    209,952,255.20/314,928,382.80 = 132,468,157.40/x
  3. Step 3: Cross multiply
    209,952,255.20x = 314,928,382.80 × 132,468,157.40
  4. Step 4: Simplify right side
    209,952,255.20x = 41,717,982,582,477,856
  5. Step 5: Solve for x
    x = 41,717,982,582,477,856/209,952,255.20
  6. Step 6: Final answer
    x = 198,702,236.10

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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.