Home / 88,578,042.80-132,867,064.20-81,563,021.60

Finding the Fourth Proportional to 88,578,042.80, 132,867,064.20 and 81,563,021.60

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Solution

The fourth proportional to 88,578,042.80, 132,867,064.20 and 81,563,021.60 is: 122,344,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,042.80 : 132,867,064.20 = 81,563,021.60 : x
  2. Step 2: Convert to fraction form
    88,578,042.80/132,867,064.20 = 81,563,021.60/x
  3. Step 3: Cross multiply
    88,578,042.80x = 132,867,064.20 × 81,563,021.60
  4. Step 4: Simplify right side
    88,578,042.80x = 10,837,039,227,273,186
  5. Step 5: Solve for x
    x = 10,837,039,227,273,186/88,578,042.80
  6. Step 6: Final answer
    x = 122,344,532.40

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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.