Home / 81,061,065-121,573,363.38-37,299,846.48

Finding the Fourth Proportional to 81,061,065, 121,573,363.38 and 37,299,846.48

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Solution

The fourth proportional to 81,061,065, 121,573,363.38 and 37,299,846.48 is: 55,941,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,061,065 : 121,573,363.38 = 37,299,846.48 : x
  2. Step 2: Convert to fraction form
    81,061,065/121,573,363.38 = 37,299,846.48/x
  3. Step 3: Cross multiply
    81,061,065x = 121,573,363.38 × 37,299,846.48
  4. Step 4: Simplify right side
    81,061,065x = 4,534,667,790,131,253
  5. Step 5: Solve for x
    x = 4,534,667,790,131,253/81,061,065
  6. Step 6: Final answer
    x = 55,941,379.38

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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.