Home / 101,889,007.81-140,606,231.88-55,479,150.61

Finding the Fourth Proportional to 101,889,007.81, 140,606,231.88 and 55,479,150.61

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Solution

The fourth proportional to 101,889,007.81, 140,606,231.88 and 55,479,150.61 is: 76,560,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,889,007.81 : 140,606,231.88 = 55,479,150.61 : x
  2. Step 2: Convert to fraction form
    101,889,007.81/140,606,231.88 = 55,479,150.61/x
  3. Step 3: Cross multiply
    101,889,007.81x = 140,606,231.88 × 55,479,150.61
  4. Step 4: Simplify right side
    101,889,007.81x = 7,800,714,315,175,103
  5. Step 5: Solve for x
    x = 7,800,714,315,175,103/101,889,007.81
  6. Step 6: Final answer
    x = 76,560,901.74

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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.