Home / 111,995,660.40-167,993,490.60-89,320,844.40

Finding the Fourth Proportional to 111,995,660.40, 167,993,490.60 and 89,320,844.40

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Solution

The fourth proportional to 111,995,660.40, 167,993,490.60 and 89,320,844.40 is: 133,981,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,995,660.40 : 167,993,490.60 = 89,320,844.40 : x
  2. Step 2: Convert to fraction form
    111,995,660.40/167,993,490.60 = 89,320,844.40/x
  3. Step 3: Cross multiply
    111,995,660.40x = 167,993,490.60 × 89,320,844.40
  4. Step 4: Simplify right side
    111,995,660.40x = 15,005,320,434,095,464
  5. Step 5: Solve for x
    x = 15,005,320,434,095,464/111,995,660.40
  6. Step 6: Final answer
    x = 133,981,266.60

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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.