Home / 55,147,500.80-82,721,251.20-14,757,984.80

Finding the Fourth Proportional to 55,147,500.80, 82,721,251.20 and 14,757,984.80

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Solution

The fourth proportional to 55,147,500.80, 82,721,251.20 and 14,757,984.80 is: 22,136,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147,500.80 : 82,721,251.20 = 14,757,984.80 : x
  2. Step 2: Convert to fraction form
    55,147,500.80/82,721,251.20 = 14,757,984.80/x
  3. Step 3: Cross multiply
    55,147,500.80x = 82,721,251.20 × 14,757,984.80
  4. Step 4: Simplify right side
    55,147,500.80x = 1,220,798,967,846,581.75
  5. Step 5: Solve for x
    x = 1,220,798,967,846,581.75/55,147,500.80
  6. Step 6: Final answer
    x = 22,136,977.20

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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.