Home / 193,101,584.16-289,781,167.54-70,279,867.38

Finding the Fourth Proportional to 193,101,584.16, 289,781,167.54 and 70,279,867.38

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Solution

The fourth proportional to 193,101,584.16, 289,781,167.54 and 70,279,867.38 is: 105,466,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,101,584.16 : 289,781,167.54 = 70,279,867.38 : x
  2. Step 2: Convert to fraction form
    193,101,584.16/289,781,167.54 = 70,279,867.38/x
  3. Step 3: Cross multiply
    193,101,584.16x = 289,781,167.54 × 70,279,867.38
  4. Step 4: Simplify right side
    193,101,584.16x = 20,365,782,023,932,760
  5. Step 5: Solve for x
    x = 20,365,782,023,932,760/193,101,584.16
  6. Step 6: Final answer
    x = 105,466,675.03

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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.