Home / 55,738,805.28-83,618,975-21,192,521

Finding the Fourth Proportional to 55,738,805.28, 83,618,975 and 21,192,521

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Solution

The fourth proportional to 55,738,805.28, 83,618,975 and 21,192,521 is: 31,792,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,738,805.28 : 83,618,975 = 21,192,521 : x
  2. Step 2: Convert to fraction form
    55,738,805.28/83,618,975 = 21,192,521/x
  3. Step 3: Cross multiply
    55,738,805.28x = 83,618,975 × 21,192,521
  4. Step 4: Simplify right side
    55,738,805.28x = 1,772,096,883,685,975
  5. Step 5: Solve for x
    x = 1,772,096,883,685,975/55,738,805.28
  6. Step 6: Final answer
    x = 31,792,875.26

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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.