Home / 193,138,079.20-289,758,440.40-83,916,383.20

Finding the Fourth Proportional to 193,138,079.20, 289,758,440.40 and 83,916,383.20

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Solution

The fourth proportional to 193,138,079.20, 289,758,440.40 and 83,916,383.20 is: 125,896,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,138,079.20 : 289,758,440.40 = 83,916,383.20 : x
  2. Step 2: Convert to fraction form
    193,138,079.20/289,758,440.40 = 83,916,383.20/x
  3. Step 3: Cross multiply
    193,138,079.20x = 289,758,440.40 × 83,916,383.20
  4. Step 4: Simplify right side
    193,138,079.20x = 24,315,480,320,040,760
  5. Step 5: Solve for x
    x = 24,315,480,320,040,760/193,138,079.20
  6. Step 6: Final answer
    x = 125,896,873.47

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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.