Home / 209,952,708.30-314,929,062.45-132,858,333.90

Finding the Fourth Proportional to 209,952,708.30, 314,929,062.45 and 132,858,333.90

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Solution

The fourth proportional to 209,952,708.30, 314,929,062.45 and 132,858,333.90 is: 199,287,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,708.30 : 314,929,062.45 = 132,858,333.90 : x
  2. Step 2: Convert to fraction form
    209,952,708.30/314,929,062.45 = 132,858,333.90/x
  3. Step 3: Cross multiply
    209,952,708.30x = 314,929,062.45 × 132,858,333.90
  4. Step 4: Simplify right side
    209,952,708.30x = 41,840,950,533,796,056
  5. Step 5: Solve for x
    x = 41,840,950,533,796,056/209,952,708.30
  6. Step 6: Final answer
    x = 199,287,500.85

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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.