Home / 69,330,493.72-95,674,912.05-38,389,998.70

Finding the Fourth Proportional to 69,330,493.72, 95,674,912.05 and 38,389,998.70

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Solution

The fourth proportional to 69,330,493.72, 95,674,912.05 and 38,389,998.70 is: 52,977,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,330,493.72 : 95,674,912.05 = 38,389,998.70 : x
  2. Step 2: Convert to fraction form
    69,330,493.72/95,674,912.05 = 38,389,998.70/x
  3. Step 3: Cross multiply
    69,330,493.72x = 95,674,912.05 × 38,389,998.70
  4. Step 4: Simplify right side
    69,330,493.72x = 3,672,959,749,222,114.50
  5. Step 5: Solve for x
    x = 3,672,959,749,222,114.50/69,330,493.72
  6. Step 6: Final answer
    x = 52,977,550.74

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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.