Home / 75,969,750-104,838,108.48-41,163,382.56

Finding the Fourth Proportional to 75,969,750, 104,838,108.48 and 41,163,382.56

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Solution

The fourth proportional to 75,969,750, 104,838,108.48 and 41,163,382.56 is: 56,805,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,969,750 : 104,838,108.48 = 41,163,382.56 : x
  2. Step 2: Convert to fraction form
    75,969,750/104,838,108.48 = 41,163,382.56/x
  3. Step 3: Cross multiply
    75,969,750x = 104,838,108.48 × 41,163,382.56
  4. Step 4: Simplify right side
    75,969,750x = 4,315,491,166,229,020.50
  5. Step 5: Solve for x
    x = 4,315,491,166,229,020.50/75,969,750
  6. Step 6: Final answer
    x = 56,805,388.54

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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.