Home / 76,493,262.87-105,530,738.47-47,073,519.56

Finding the Fourth Proportional to 76,493,262.87, 105,530,738.47 and 47,073,519.56

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Solution

The fourth proportional to 76,493,262.87, 105,530,738.47 and 47,073,519.56 is: 64,943,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,493,262.87 : 105,530,738.47 = 47,073,519.56 : x
  2. Step 2: Convert to fraction form
    76,493,262.87/105,530,738.47 = 47,073,519.56/x
  3. Step 3: Cross multiply
    76,493,262.87x = 105,530,738.47 × 47,073,519.56
  4. Step 4: Simplify right side
    76,493,262.87x = 4,967,703,281,959,957
  5. Step 5: Solve for x
    x = 4,967,703,281,959,957/76,493,262.87
  6. Step 6: Final answer
    x = 64,943,017.14

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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.