Home / 80,913,791.20-111,639,502.88-46,105,739.68

Finding the Fourth Proportional to 80,913,791.20, 111,639,502.88 and 46,105,739.68

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Solution

The fourth proportional to 80,913,791.20, 111,639,502.88 and 46,105,739.68 is: 63,613,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,913,791.20 : 111,639,502.88 = 46,105,739.68 : x
  2. Step 2: Convert to fraction form
    80,913,791.20/111,639,502.88 = 46,105,739.68/x
  3. Step 3: Cross multiply
    80,913,791.20x = 111,639,502.88 × 46,105,739.68
  4. Step 4: Simplify right side
    80,913,791.20x = 5,147,221,857,789,890
  5. Step 5: Solve for x
    x = 5,147,221,857,789,890/80,913,791.20
  6. Step 6: Final answer
    x = 63,613,653.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.