Home / 54,464,658.60-81,613,007.10-47,242,309.80

Finding the Fourth Proportional to 54,464,658.60, 81,613,007.10 and 47,242,309.80

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Solution

The fourth proportional to 54,464,658.60, 81,613,007.10 and 47,242,309.80 is: 70,790,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,464,658.60 : 81,613,007.10 = 47,242,309.80 : x
  2. Step 2: Convert to fraction form
    54,464,658.60/81,613,007.10 = 47,242,309.80/x
  3. Step 3: Cross multiply
    54,464,658.60x = 81,613,007.10 × 47,242,309.80
  4. Step 4: Simplify right side
    54,464,658.60x = 3,855,586,965,127,799
  5. Step 5: Solve for x
    x = 3,855,586,965,127,799/54,464,658.60
  6. Step 6: Final answer
    x = 70,790,620.27

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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.