Home / 217,308,209.40-325,962,314.10-71,764,234.20

Finding the Fourth Proportional to 217,308,209.40, 325,962,314.10 and 71,764,234.20

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Solution

The fourth proportional to 217,308,209.40, 325,962,314.10 and 71,764,234.20 is: 107,646,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,308,209.40 : 325,962,314.10 = 71,764,234.20 : x
  2. Step 2: Convert to fraction form
    217,308,209.40/325,962,314.10 = 71,764,234.20/x
  3. Step 3: Cross multiply
    217,308,209.40x = 325,962,314.10 × 71,764,234.20
  4. Step 4: Simplify right side
    217,308,209.40x = 23,392,435,849,446,364
  5. Step 5: Solve for x
    x = 23,392,435,849,446,364/217,308,209.40
  6. Step 6: Final answer
    x = 107,646,351.30

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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.