Home / 54,837,814.15-81,766,456.68-53,331,178.92

Finding the Fourth Proportional to 54,837,814.15, 81,766,456.68 and 53,331,178.92

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Solution

The fourth proportional to 54,837,814.15, 81,766,456.68 and 53,331,178.92 is: 79,519,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,837,814.15 : 81,766,456.68 = 53,331,178.92 : x
  2. Step 2: Convert to fraction form
    54,837,814.15/81,766,456.68 = 53,331,178.92/x
  3. Step 3: Cross multiply
    54,837,814.15x = 81,766,456.68 × 53,331,178.92
  4. Step 4: Simplify right side
    54,837,814.15x = 4,360,701,530,448,888.50
  5. Step 5: Solve for x
    x = 4,360,701,530,448,888.50/54,837,814.15
  6. Step 6: Final answer
    x = 79,519,973.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.