Home / 83,215,872.70-124,580,506.65-59,328,000.70

Finding the Fourth Proportional to 83,215,872.70, 124,580,506.65 and 59,328,000.70

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Solution

The fourth proportional to 83,215,872.70, 124,580,506.65 and 59,328,000.70 is: 88,818,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,215,872.70 : 124,580,506.65 = 59,328,000.70 : x
  2. Step 2: Convert to fraction form
    83,215,872.70/124,580,506.65 = 59,328,000.70/x
  3. Step 3: Cross multiply
    83,215,872.70x = 124,580,506.65 × 59,328,000.70
  4. Step 4: Simplify right side
    83,215,872.70x = 7,391,112,385,737,555
  5. Step 5: Solve for x
    x = 7,391,112,385,737,555/83,215,872.70
  6. Step 6: Final answer
    x = 88,818,540.81

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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.