Home / 98,444,558.40-135,856,229.86-54,394,395.06

Finding the Fourth Proportional to 98,444,558.40, 135,856,229.86 and 54,394,395.06

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Solution

The fourth proportional to 98,444,558.40, 135,856,229.86 and 54,394,395.06 is: 75,065,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,444,558.40 : 135,856,229.86 = 54,394,395.06 : x
  2. Step 2: Convert to fraction form
    98,444,558.40/135,856,229.86 = 54,394,395.06/x
  3. Step 3: Cross multiply
    98,444,558.40x = 135,856,229.86 × 54,394,395.06
  4. Step 4: Simplify right side
    98,444,558.40x = 7,389,817,438,367,010
  5. Step 5: Solve for x
    x = 7,389,817,438,367,010/98,444,558.40
  6. Step 6: Final answer
    x = 75,065,778.73

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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.