Home / 54,397,053.20-81,595,579.80-51,205,782.80

Finding the Fourth Proportional to 54,397,053.20, 81,595,579.80 and 51,205,782.80

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Solution

The fourth proportional to 54,397,053.20, 81,595,579.80 and 51,205,782.80 is: 76,808,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,397,053.20 : 81,595,579.80 = 51,205,782.80 : x
  2. Step 2: Convert to fraction form
    54,397,053.20/81,595,579.80 = 51,205,782.80/x
  3. Step 3: Cross multiply
    54,397,053.20x = 81,595,579.80 × 51,205,782.80
  4. Step 4: Simplify right side
    54,397,053.20x = 4,178,165,536,678,867
  5. Step 5: Solve for x
    x = 4,178,165,536,678,867/54,397,053.20
  6. Step 6: Final answer
    x = 76,808,674.20

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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.