Home / 81,532,033.39-122,260,258.68-30,400,323.31

Finding the Fourth Proportional to 81,532,033.39, 122,260,258.68 and 30,400,323.31

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Solution

The fourth proportional to 81,532,033.39, 122,260,258.68 and 30,400,323.31 is: 45,586,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,532,033.39 : 122,260,258.68 = 30,400,323.31 : x
  2. Step 2: Convert to fraction form
    81,532,033.39/122,260,258.68 = 30,400,323.31/x
  3. Step 3: Cross multiply
    81,532,033.39x = 122,260,258.68 × 30,400,323.31
  4. Step 4: Simplify right side
    81,532,033.39x = 3,716,751,391,836,234
  5. Step 5: Solve for x
    x = 3,716,751,391,836,234/81,532,033.39
  6. Step 6: Final answer
    x = 45,586,393.93

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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.