Home / 69,799,958.85-104,715,637.71-21,282,717.03

Finding the Fourth Proportional to 69,799,958.85, 104,715,637.71 and 21,282,717.03

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Solution

The fourth proportional to 69,799,958.85, 104,715,637.71 and 21,282,717.03 is: 31,928,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,799,958.85 : 104,715,637.71 = 21,282,717.03 : x
  2. Step 2: Convert to fraction form
    69,799,958.85/104,715,637.71 = 21,282,717.03/x
  3. Step 3: Cross multiply
    69,799,958.85x = 104,715,637.71 × 21,282,717.03
  4. Step 4: Simplify right side
    69,799,958.85x = 2,228,633,285,997,927.25
  5. Step 5: Solve for x
    x = 2,228,633,285,997,927.25/69,799,958.85
  6. Step 6: Final answer
    x = 31,928,862.46

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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.