Home / 76,691,399.26-105,836,742.78-45,356,309.26

Finding the Fourth Proportional to 76,691,399.26, 105,836,742.78 and 45,356,309.26

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Solution

The fourth proportional to 76,691,399.26, 105,836,742.78 and 45,356,309.26 is: 62,593,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,399.26 : 105,836,742.78 = 45,356,309.26 : x
  2. Step 2: Convert to fraction form
    76,691,399.26/105,836,742.78 = 45,356,309.26/x
  3. Step 3: Cross multiply
    76,691,399.26x = 105,836,742.78 × 45,356,309.26
  4. Step 4: Simplify right side
    76,691,399.26x = 4,800,364,036,600,752
  5. Step 5: Solve for x
    x = 4,800,364,036,600,752/76,691,399.26
  6. Step 6: Final answer
    x = 62,593,251.43

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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.