Home / 69,725,135.70-104,587,703.55-21,202,604.10

Finding the Fourth Proportional to 69,725,135.70, 104,587,703.55 and 21,202,604.10

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Solution

The fourth proportional to 69,725,135.70, 104,587,703.55 and 21,202,604.10 is: 31,803,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,725,135.70 : 104,587,703.55 = 21,202,604.10 : x
  2. Step 2: Convert to fraction form
    69,725,135.70/104,587,703.55 = 21,202,604.10/x
  3. Step 3: Cross multiply
    69,725,135.70x = 104,587,703.55 × 21,202,604.10
  4. Step 4: Simplify right side
    69,725,135.70x = 2,217,531,672,098,814.75
  5. Step 5: Solve for x
    x = 2,217,531,672,098,814.75/69,725,135.70
  6. Step 6: Final answer
    x = 31,803,906.15

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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.