Home / 69,507,339.50-104,277,865.62-20,982,296.54

Finding the Fourth Proportional to 69,507,339.50, 104,277,865.62 and 20,982,296.54

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Solution

The fourth proportional to 69,507,339.50, 104,277,865.62 and 20,982,296.54 is: 31,478,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,507,339.50 : 104,277,865.62 = 20,982,296.54 : x
  2. Step 2: Convert to fraction form
    69,507,339.50/104,277,865.62 = 20,982,296.54/x
  3. Step 3: Cross multiply
    69,507,339.50x = 104,277,865.62 × 20,982,296.54
  4. Step 4: Simplify right side
    69,507,339.50x = 2,187,989,098,997,111
  5. Step 5: Solve for x
    x = 2,187,989,098,997,111/69,507,339.50
  6. Step 6: Final answer
    x = 31,478,533.27

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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.