Home / 88,571,872.70-132,857,809.05-54,382,355.90

Finding the Fourth Proportional to 88,571,872.70, 132,857,809.05 and 54,382,355.90

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Solution

The fourth proportional to 88,571,872.70, 132,857,809.05 and 54,382,355.90 is: 81,573,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571,872.70 : 132,857,809.05 = 54,382,355.90 : x
  2. Step 2: Convert to fraction form
    88,571,872.70/132,857,809.05 = 54,382,355.90/x
  3. Step 3: Cross multiply
    88,571,872.70x = 132,857,809.05 × 54,382,355.90
  4. Step 4: Simplify right side
    88,571,872.70x = 7,225,120,655,851,341
  5. Step 5: Solve for x
    x = 7,225,120,655,851,341/88,571,872.70
  6. Step 6: Final answer
    x = 81,573,533.85

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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.