Home / 217,152,023.40-325,728,035.10-195,652,938.60

Finding the Fourth Proportional to 217,152,023.40, 325,728,035.10 and 195,652,938.60

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Solution

The fourth proportional to 217,152,023.40, 325,728,035.10 and 195,652,938.60 is: 293,479,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,152,023.40 : 325,728,035.10 = 195,652,938.60 : x
  2. Step 2: Convert to fraction form
    217,152,023.40/325,728,035.10 = 195,652,938.60/x
  3. Step 3: Cross multiply
    217,152,023.40x = 325,728,035.10 × 195,652,938.60
  4. Step 4: Simplify right side
    217,152,023.40x = 63,729,647,251,718,944
  5. Step 5: Solve for x
    x = 63,729,647,251,718,944/217,152,023.40
  6. Step 6: Final answer
    x = 293,479,407.90

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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.