Home / 165,469,834.87-228,345,586.41-91,137,317.67

Finding the Fourth Proportional to 165,469,834.87, 228,345,586.41 and 91,137,317.67

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Solution

The fourth proportional to 165,469,834.87, 228,345,586.41 and 91,137,317.67 is: 125,767,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,469,834.87 : 228,345,586.41 = 91,137,317.67 : x
  2. Step 2: Convert to fraction form
    165,469,834.87/228,345,586.41 = 91,137,317.67/x
  3. Step 3: Cross multiply
    165,469,834.87x = 228,345,586.41 × 91,137,317.67
  4. Step 4: Simplify right side
    165,469,834.87x = 20,810,804,247,532,368
  5. Step 5: Solve for x
    x = 20,810,804,247,532,368/165,469,834.87
  6. Step 6: Final answer
    x = 125,767,964.08

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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.