Home / 55,738,805.16-83,618,974.81-21,192,520.80

Finding the Fourth Proportional to 55,738,805.16, 83,618,974.81 and 21,192,520.80

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Solution

The fourth proportional to 55,738,805.16, 83,618,974.81 and 21,192,520.80 is: 31,792,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,738,805.16 : 83,618,974.81 = 21,192,520.80 : x
  2. Step 2: Convert to fraction form
    55,738,805.16/83,618,974.81 = 21,192,520.80/x
  3. Step 3: Cross multiply
    55,738,805.16x = 83,618,974.81 × 21,192,520.80
  4. Step 4: Simplify right side
    55,738,805.16x = 1,772,096,863,156,455.25
  5. Step 5: Solve for x
    x = 1,772,096,863,156,455.25/55,738,805.16
  6. Step 6: Final answer
    x = 31,792,874.96

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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.