Home / 69,914,243.24-104,871,696.78-21,392,019.80

Finding the Fourth Proportional to 69,914,243.24, 104,871,696.78 and 21,392,019.80

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Solution

The fourth proportional to 69,914,243.24, 104,871,696.78 and 21,392,019.80 is: 32,088,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914,243.24 : 104,871,696.78 = 21,392,019.80 : x
  2. Step 2: Convert to fraction form
    69,914,243.24/104,871,696.78 = 21,392,019.80/x
  3. Step 3: Cross multiply
    69,914,243.24x = 104,871,696.78 × 21,392,019.80
  4. Step 4: Simplify right side
    69,914,243.24x = 2,243,417,413,977,356.25
  5. Step 5: Solve for x
    x = 2,243,417,413,977,356.25/69,914,243.24
  6. Step 6: Final answer
    x = 32,088,131.26

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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.