Home / 80,753,133.54-111,439,776.93-45,945,823.26

Finding the Fourth Proportional to 80,753,133.54, 111,439,776.93 and 45,945,823.26

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Solution

The fourth proportional to 80,753,133.54, 111,439,776.93 and 45,945,823.26 is: 63,405,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753,133.54 : 111,439,776.93 = 45,945,823.26 : x
  2. Step 2: Convert to fraction form
    80,753,133.54/111,439,776.93 = 45,945,823.26/x
  3. Step 3: Cross multiply
    80,753,133.54x = 111,439,776.93 × 45,945,823.26
  4. Step 4: Simplify right side
    80,753,133.54x = 5,120,192,294,959,605
  5. Step 5: Solve for x
    x = 5,120,192,294,959,605/80,753,133.54
  6. Step 6: Final answer
    x = 63,405,493.64

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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.