Home / 209,952,422.30-314,928,633.45-132,858,047.90

Finding the Fourth Proportional to 209,952,422.30, 314,928,633.45 and 132,858,047.90

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Solution

The fourth proportional to 209,952,422.30, 314,928,633.45 and 132,858,047.90 is: 199,287,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,422.30 : 314,928,633.45 = 132,858,047.90 : x
  2. Step 2: Convert to fraction form
    209,952,422.30/314,928,633.45 = 132,858,047.90/x
  3. Step 3: Cross multiply
    209,952,422.30x = 314,928,633.45 × 132,858,047.90
  4. Step 4: Simplify right side
    209,952,422.30x = 41,840,803,467,981,640
  5. Step 5: Solve for x
    x = 41,840,803,467,981,640/209,952,422.30
  6. Step 6: Final answer
    x = 199,287,071.85

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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.