Home / 55,273,648.88-82,921,102.14-21,192,337.55

Finding the Fourth Proportional to 55,273,648.88, 82,921,102.14 and 21,192,337.55

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Solution

The fourth proportional to 55,273,648.88, 82,921,102.14 and 21,192,337.55 is: 31,792,581.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273,648.88 : 82,921,102.14 = 21,192,337.55 : x
  2. Step 2: Convert to fraction form
    55,273,648.88/82,921,102.14 = 21,192,337.55/x
  3. Step 3: Cross multiply
    55,273,648.88x = 82,921,102.14 × 21,192,337.55
  4. Step 4: Simplify right side
    55,273,648.88x = 1,757,291,986,210,471.75
  5. Step 5: Solve for x
    x = 1,757,291,986,210,471.75/55,273,648.88
  6. Step 6: Final answer
    x = 31,792,581.49

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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.