Home / 209,960,122.20-314,389,059.30-148,215,863.40

Finding the Fourth Proportional to 209,960,122.20, 314,389,059.30 and 148,215,863.40

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Solution

The fourth proportional to 209,960,122.20, 314,389,059.30 and 148,215,863.40 is: 221,934,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,960,122.20 : 314,389,059.30 = 148,215,863.40 : x
  2. Step 2: Convert to fraction form
    209,960,122.20/314,389,059.30 = 148,215,863.40/x
  3. Step 3: Cross multiply
    209,960,122.20x = 314,389,059.30 × 148,215,863.40
  4. Step 4: Simplify right side
    209,960,122.20x = 46,597,445,867,663,304
  5. Step 5: Solve for x
    x = 46,597,445,867,663,304/209,960,122.20
  6. Step 6: Final answer
    x = 221,934,743.51

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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.