Home / 69,907,964.85-104,858,142.96-21,385,818.67

Finding the Fourth Proportional to 69,907,964.85, 104,858,142.96 and 21,385,818.67

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Solution

The fourth proportional to 69,907,964.85, 104,858,142.96 and 21,385,818.67 is: 32,077,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,907,964.85 : 104,858,142.96 = 21,385,818.67 : x
  2. Step 2: Convert to fraction form
    69,907,964.85/104,858,142.96 = 21,385,818.67/x
  3. Step 3: Cross multiply
    69,907,964.85x = 104,858,142.96 × 21,385,818.67
  4. Step 4: Simplify right side
    69,907,964.85x = 2,242,477,231,415,497
  5. Step 5: Solve for x
    x = 2,242,477,231,415,497/69,907,964.85
  6. Step 6: Final answer
    x = 32,077,564.21

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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.