Home / 88,225,540.80-132,039,712.80-77,475,998.40

Finding the Fourth Proportional to 88,225,540.80, 132,039,712.80 and 77,475,998.40

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Solution

The fourth proportional to 88,225,540.80, 132,039,712.80 and 77,475,998.40 is: 115,951,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,225,540.80 : 132,039,712.80 = 77,475,998.40 : x
  2. Step 2: Convert to fraction form
    88,225,540.80/132,039,712.80 = 77,475,998.40/x
  3. Step 3: Cross multiply
    88,225,540.80x = 132,039,712.80 × 77,475,998.40
  4. Step 4: Simplify right side
    88,225,540.80x = 10,229,908,577,629,260
  5. Step 5: Solve for x
    x = 10,229,908,577,629,260/88,225,540.80
  6. Step 6: Final answer
    x = 115,951,780.91

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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.