Home / 69,530,552.20-104,295,309.90-21,008,312.20

Finding the Fourth Proportional to 69,530,552.20, 104,295,309.90 and 21,008,312.20

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Solution

The fourth proportional to 69,530,552.20, 104,295,309.90 and 21,008,312.20 is: 31,512,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,530,552.20 : 104,295,309.90 = 21,008,312.20 : x
  2. Step 2: Convert to fraction form
    69,530,552.20/104,295,309.90 = 21,008,312.20/x
  3. Step 3: Cross multiply
    69,530,552.20x = 104,295,309.90 × 21,008,312.20
  4. Step 4: Simplify right side
    69,530,552.20x = 2,191,068,431,374,950.75
  5. Step 5: Solve for x
    x = 2,191,068,431,374,950.75/69,530,552.20
  6. Step 6: Final answer
    x = 31,512,311.67

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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.