Home / 88,217,947.40-132,468,638.70-66,676,872.20

Finding the Fourth Proportional to 88,217,947.40, 132,468,638.70 and 66,676,872.20

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Solution

The fourth proportional to 88,217,947.40, 132,468,638.70 and 66,676,872.20 is: 100,122,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,217,947.40 : 132,468,638.70 = 66,676,872.20 : x
  2. Step 2: Convert to fraction form
    88,217,947.40/132,468,638.70 = 66,676,872.20/x
  3. Step 3: Cross multiply
    88,217,947.40x = 132,468,638.70 × 66,676,872.20
  4. Step 4: Simplify right side
    88,217,947.40x = 8,832,594,493,107,875
  5. Step 5: Solve for x
    x = 8,832,594,493,107,875/88,217,947.40
  6. Step 6: Final answer
    x = 100,122,421.27

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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.