Home / 209,952,294.30-314,928,441.45-196,347,404.70

Finding the Fourth Proportional to 209,952,294.30, 314,928,441.45 and 196,347,404.70

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Solution

The fourth proportional to 209,952,294.30, 314,928,441.45 and 196,347,404.70 is: 294,521,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,294.30 : 314,928,441.45 = 196,347,404.70 : x
  2. Step 2: Convert to fraction form
    209,952,294.30/314,928,441.45 = 196,347,404.70/x
  3. Step 3: Cross multiply
    209,952,294.30x = 314,928,441.45 × 196,347,404.70
  4. Step 4: Simplify right side
    209,952,294.30x = 61,835,382,144,923,400
  5. Step 5: Solve for x
    x = 61,835,382,144,923,400/209,952,294.30
  6. Step 6: Final answer
    x = 294,521,107.05

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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.