Home / 69,750,345.12-104,640,576.24-21,231,992.48

Finding the Fourth Proportional to 69,750,345.12, 104,640,576.24 and 21,231,992.48

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Solution

The fourth proportional to 69,750,345.12, 104,640,576.24 and 21,231,992.48 is: 31,852,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,750,345.12 : 104,640,576.24 = 21,231,992.48 : x
  2. Step 2: Convert to fraction form
    69,750,345.12/104,640,576.24 = 21,231,992.48/x
  3. Step 3: Cross multiply
    69,750,345.12x = 104,640,576.24 × 21,231,992.48
  4. Step 4: Simplify right side
    69,750,345.12x = 2,221,727,927,830,546.50
  5. Step 5: Solve for x
    x = 2,221,727,927,830,546.50/69,750,345.12
  6. Step 6: Final answer
    x = 31,852,572.54

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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.