Home / 55,147,072.30-82,720,608.45-14,757,556.30

Finding the Fourth Proportional to 55,147,072.30, 82,720,608.45 and 14,757,556.30

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Solution

The fourth proportional to 55,147,072.30, 82,720,608.45 and 14,757,556.30 is: 22,136,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147,072.30 : 82,720,608.45 = 14,757,556.30 : x
  2. Step 2: Convert to fraction form
    55,147,072.30/82,720,608.45 = 14,757,556.30/x
  3. Step 3: Cross multiply
    55,147,072.30x = 82,720,608.45 × 14,757,556.30
  4. Step 4: Simplify right side
    55,147,072.30x = 1,220,754,036,371,130.75
  5. Step 5: Solve for x
    x = 1,220,754,036,371,130.75/55,147,072.30
  6. Step 6: Final answer
    x = 22,136,334.45

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Similar ratio
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1.5x scale

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.