Home / 88,578,099.80-132,867,149.70-81,563,078.60

Finding the Fourth Proportional to 88,578,099.80, 132,867,149.70 and 81,563,078.60

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Solution

The fourth proportional to 88,578,099.80, 132,867,149.70 and 81,563,078.60 is: 122,344,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,099.80 : 132,867,149.70 = 81,563,078.60 : x
  2. Step 2: Convert to fraction form
    88,578,099.80/132,867,149.70 = 81,563,078.60/x
  3. Step 3: Cross multiply
    88,578,099.80x = 132,867,149.70 × 81,563,078.60
  4. Step 4: Simplify right side
    88,578,099.80x = 10,837,053,774,339,066
  5. Step 5: Solve for x
    x = 10,837,053,774,339,066/88,578,099.80
  6. Step 6: Final answer
    x = 122,344,617.90

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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.