Home / 88,571,872.20-132,857,808.30-54,382,355.40

Finding the Fourth Proportional to 88,571,872.20, 132,857,808.30 and 54,382,355.40

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Solution

The fourth proportional to 88,571,872.20, 132,857,808.30 and 54,382,355.40 is: 81,573,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571,872.20 : 132,857,808.30 = 54,382,355.40 : x
  2. Step 2: Convert to fraction form
    88,571,872.20/132,857,808.30 = 54,382,355.40/x
  3. Step 3: Cross multiply
    88,571,872.20x = 132,857,808.30 × 54,382,355.40
  4. Step 4: Simplify right side
    88,571,872.20x = 7,225,120,548,635,669
  5. Step 5: Solve for x
    x = 7,225,120,548,635,669/88,571,872.20
  6. Step 6: Final answer
    x = 81,573,533.10

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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.