Home / 83,669,123.80-125,503,685.70-83,190,826.90

Finding the Fourth Proportional to 83,669,123.80, 125,503,685.70 and 83,190,826.90

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Solution

The fourth proportional to 83,669,123.80, 125,503,685.70 and 83,190,826.90 is: 124,786,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669,123.80 : 125,503,685.70 = 83,190,826.90 : x
  2. Step 2: Convert to fraction form
    83,669,123.80/125,503,685.70 = 83,190,826.90/x
  3. Step 3: Cross multiply
    83,669,123.80x = 125,503,685.70 × 83,190,826.90
  4. Step 4: Simplify right side
    83,669,123.80x = 10,440,755,392,380,706
  5. Step 5: Solve for x
    x = 10,440,755,392,380,706/83,669,123.80
  6. Step 6: Final answer
    x = 124,786,240.35

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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.