Home / 111,722,410.60-154,174,505.88-64,681,466.20

Finding the Fourth Proportional to 111,722,410.60, 154,174,505.88 and 64,681,466.20

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Solution

The fourth proportional to 111,722,410.60, 154,174,505.88 and 64,681,466.20 is: 89,259,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,722,410.60 : 154,174,505.88 = 64,681,466.20 : x
  2. Step 2: Convert to fraction form
    111,722,410.60/154,174,505.88 = 64,681,466.20/x
  3. Step 3: Cross multiply
    111,722,410.60x = 154,174,505.88 × 64,681,466.20
  4. Step 4: Simplify right side
    111,722,410.60x = 9,972,233,090,978,922
  5. Step 5: Solve for x
    x = 9,972,233,090,978,922/111,722,410.60
  6. Step 6: Final answer
    x = 89,259,021.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.