Home / 69,981,897.92-104,968,923.26-21,459,618.51

Finding the Fourth Proportional to 69,981,897.92, 104,968,923.26 and 21,459,618.51

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Solution

The fourth proportional to 69,981,897.92, 104,968,923.26 and 21,459,618.51 is: 32,188,224.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,981,897.92 : 104,968,923.26 = 21,459,618.51 : x
  2. Step 2: Convert to fraction form
    69,981,897.92/104,968,923.26 = 21,459,618.51/x
  3. Step 3: Cross multiply
    69,981,897.92x = 104,968,923.26 × 21,459,618.51
  4. Step 4: Simplify right side
    69,981,897.92x = 2,252,593,048,714,885.50
  5. Step 5: Solve for x
    x = 2,252,593,048,714,885.50/69,981,897.92
  6. Step 6: Final answer
    x = 32,188,224.61

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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.