Home / 80,913,793.20-111,639,505.64-46,105,741.68

Finding the Fourth Proportional to 80,913,793.20, 111,639,505.64 and 46,105,741.68

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Solution

The fourth proportional to 80,913,793.20, 111,639,505.64 and 46,105,741.68 is: 63,613,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,913,793.20 : 111,639,505.64 = 46,105,741.68 : x
  2. Step 2: Convert to fraction form
    80,913,793.20/111,639,505.64 = 46,105,741.68/x
  3. Step 3: Cross multiply
    80,913,793.20x = 111,639,505.64 × 46,105,741.68
  4. Step 4: Simplify right side
    80,913,793.20x = 5,147,222,208,320,743
  5. Step 5: Solve for x
    x = 5,147,222,208,320,743/80,913,793.20
  6. Step 6: Final answer
    x = 63,613,656.03

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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.