Home / 111,324,365.43-153,622,419.45-61,764,211.68

Finding the Fourth Proportional to 111,324,365.43, 153,622,419.45 and 61,764,211.68

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Solution

The fourth proportional to 111,324,365.43, 153,622,419.45 and 61,764,211.68 is: 85,231,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,324,365.43 : 153,622,419.45 = 61,764,211.68 : x
  2. Step 2: Convert to fraction form
    111,324,365.43/153,622,419.45 = 61,764,211.68/x
  3. Step 3: Cross multiply
    111,324,365.43x = 153,622,419.45 × 61,764,211.68
  4. Step 4: Simplify right side
    111,324,365.43x = 9,488,367,634,281,266
  5. Step 5: Solve for x
    x = 9,488,367,634,281,266/111,324,365.43
  6. Step 6: Final answer
    x = 85,231,724.41

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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.