Home / 217,366,964.90-325,963,842.15-71,760,004.10

Finding the Fourth Proportional to 217,366,964.90, 325,963,842.15 and 71,760,004.10

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Solution

The fourth proportional to 217,366,964.90, 325,963,842.15 and 71,760,004.10 is: 107,611,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,366,964.90 : 325,963,842.15 = 71,760,004.10 : x
  2. Step 2: Convert to fraction form
    217,366,964.90/325,963,842.15 = 71,760,004.10/x
  3. Step 3: Cross multiply
    217,366,964.90x = 325,963,842.15 × 71,760,004.10
  4. Step 4: Simplify right side
    217,366,964.90x = 23,391,166,649,135,748
  5. Step 5: Solve for x
    x = 23,391,166,649,135,748/217,366,964.90
  6. Step 6: Final answer
    x = 107,611,414.92

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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.