Home / 100,979,118.41-151,742,183.43-54,955,015.61

Finding the Fourth Proportional to 100,979,118.41, 151,742,183.43 and 54,955,015.61

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Solution

The fourth proportional to 100,979,118.41, 151,742,183.43 and 54,955,015.61 is: 82,581,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,979,118.41 : 151,742,183.43 = 54,955,015.61 : x
  2. Step 2: Convert to fraction form
    100,979,118.41/151,742,183.43 = 54,955,015.61/x
  3. Step 3: Cross multiply
    100,979,118.41x = 151,742,183.43 × 54,955,015.61
  4. Step 4: Simplify right side
    100,979,118.41x = 8,338,994,059,091,134
  5. Step 5: Solve for x
    x = 8,338,994,059,091,134/100,979,118.41
  6. Step 6: Final answer
    x = 82,581,371.18

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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.