Home / 54,987,016.80-82,480,525.20-54,136,711.20

Finding the Fourth Proportional to 54,987,016.80, 82,480,525.20 and 54,136,711.20

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Solution

The fourth proportional to 54,987,016.80, 82,480,525.20 and 54,136,711.20 is: 81,205,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987,016.80 : 82,480,525.20 = 54,136,711.20 : x
  2. Step 2: Convert to fraction form
    54,987,016.80/82,480,525.20 = 54,136,711.20/x
  3. Step 3: Cross multiply
    54,987,016.80x = 82,480,525.20 × 54,136,711.20
  4. Step 4: Simplify right side
    54,987,016.80x = 4,465,224,372,376,722.50
  5. Step 5: Solve for x
    x = 4,465,224,372,376,722.50/54,987,016.80
  6. Step 6: Final answer
    x = 81,205,066.80

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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.