Home / 88,571,857.70-132,857,786.55-54,382,340.90

Finding the Fourth Proportional to 88,571,857.70, 132,857,786.55 and 54,382,340.90

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Solution

The fourth proportional to 88,571,857.70, 132,857,786.55 and 54,382,340.90 is: 81,573,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571,857.70 : 132,857,786.55 = 54,382,340.90 : x
  2. Step 2: Convert to fraction form
    88,571,857.70/132,857,786.55 = 54,382,340.90/x
  3. Step 3: Cross multiply
    88,571,857.70x = 132,857,786.55 × 54,382,340.90
  4. Step 4: Simplify right side
    88,571,857.70x = 7,225,117,439,381,535
  5. Step 5: Solve for x
    x = 7,225,117,439,381,535/88,571,857.70
  6. Step 6: Final answer
    x = 81,573,511.35

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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.