Home / 43,689,737.70-65,534,606.55-18,128,081.70

Finding the Fourth Proportional to 43,689,737.70, 65,534,606.55 and 18,128,081.70

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Solution

The fourth proportional to 43,689,737.70, 65,534,606.55 and 18,128,081.70 is: 27,192,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689,737.70 : 65,534,606.55 = 18,128,081.70 : x
  2. Step 2: Convert to fraction form
    43,689,737.70/65,534,606.55 = 18,128,081.70/x
  3. Step 3: Cross multiply
    43,689,737.70x = 65,534,606.55 × 18,128,081.70
  4. Step 4: Simplify right side
    43,689,737.70x = 1,188,016,701,715,755
  5. Step 5: Solve for x
    x = 1,188,016,701,715,755/43,689,737.70
  6. Step 6: Final answer
    x = 27,192,122.55

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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.