Home / 104,641,321.80-156,961,982.70-31,857,524.40

Finding the Fourth Proportional to 104,641,321.80, 156,961,982.70 and 31,857,524.40

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Solution

The fourth proportional to 104,641,321.80, 156,961,982.70 and 31,857,524.40 is: 47,786,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,641,321.80 : 156,961,982.70 = 31,857,524.40 : x
  2. Step 2: Convert to fraction form
    104,641,321.80/156,961,982.70 = 31,857,524.40/x
  3. Step 3: Cross multiply
    104,641,321.80x = 156,961,982.70 × 31,857,524.40
  4. Step 4: Simplify right side
    104,641,321.80x = 5,000,420,193,737,627
  5. Step 5: Solve for x
    x = 5,000,420,193,737,627/104,641,321.80
  6. Step 6: Final answer
    x = 47,786,286.60

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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.