Home / 66,112,321.38-99,168,711.24-20,054,584.92

Finding the Fourth Proportional to 66,112,321.38, 99,168,711.24 and 20,054,584.92

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Solution

The fourth proportional to 66,112,321.38, 99,168,711.24 and 20,054,584.92 is: 30,081,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,112,321.38 : 99,168,711.24 = 20,054,584.92 : x
  2. Step 2: Convert to fraction form
    66,112,321.38/99,168,711.24 = 20,054,584.92/x
  3. Step 3: Cross multiply
    66,112,321.38x = 99,168,711.24 × 20,054,584.92
  4. Step 4: Simplify right side
    66,112,321.38x = 1,988,787,340,969,538.50
  5. Step 5: Solve for x
    x = 1,988,787,340,969,538.50/66,112,321.38
  6. Step 6: Final answer
    x = 30,081,946.90

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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.