Home / 69,914,107.89-104,871,493.53-21,391,884.29

Finding the Fourth Proportional to 69,914,107.89, 104,871,493.53 and 21,391,884.29

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Solution

The fourth proportional to 69,914,107.89, 104,871,493.53 and 21,391,884.29 is: 32,087,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914,107.89 : 104,871,493.53 = 21,391,884.29 : x
  2. Step 2: Convert to fraction form
    69,914,107.89/104,871,493.53 = 21,391,884.29/x
  3. Step 3: Cross multiply
    69,914,107.89x = 104,871,493.53 × 21,391,884.29
  4. Step 4: Simplify right side
    69,914,107.89x = 2,243,398,855,175,422.50
  5. Step 5: Solve for x
    x = 2,243,398,855,175,422.50/69,914,107.89
  6. Step 6: Final answer
    x = 32,087,927.93

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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.