Home / 54,837,815.65-81,766,458.92-53,331,180.42

Finding the Fourth Proportional to 54,837,815.65, 81,766,458.92 and 53,331,180.42

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Solution

The fourth proportional to 54,837,815.65, 81,766,458.92 and 53,331,180.42 is: 79,519,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,837,815.65 : 81,766,458.92 = 53,331,180.42 : x
  2. Step 2: Convert to fraction form
    54,837,815.65/81,766,458.92 = 53,331,180.42/x
  3. Step 3: Cross multiply
    54,837,815.65x = 81,766,458.92 × 53,331,180.42
  4. Step 4: Simplify right side
    54,837,815.65x = 4,360,701,772,700,383
  5. Step 5: Solve for x
    x = 4,360,701,772,700,383/54,837,815.65
  6. Step 6: Final answer
    x = 79,519,975.79

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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.