Home / 98,420,983.93-135,818,321.56-54,367,034.61

Finding the Fourth Proportional to 98,420,983.93, 135,818,321.56 and 54,367,034.61

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Solution

The fourth proportional to 98,420,983.93, 135,818,321.56 and 54,367,034.61 is: 75,025,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,420,983.93 : 135,818,321.56 = 54,367,034.61 : x
  2. Step 2: Convert to fraction form
    98,420,983.93/135,818,321.56 = 54,367,034.61/x
  3. Step 3: Cross multiply
    98,420,983.93x = 135,818,321.56 × 54,367,034.61
  4. Step 4: Simplify right side
    98,420,983.93x = 7,384,039,388,924,629
  5. Step 5: Solve for x
    x = 7,384,039,388,924,629/98,420,983.93
  6. Step 6: Final answer
    x = 75,025,051.51

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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.