Home / 68,471,223.36-102,706,828.77-30,132,737.46

Finding the Fourth Proportional to 68,471,223.36, 102,706,828.77 and 30,132,737.46

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Solution

The fourth proportional to 68,471,223.36, 102,706,828.77 and 30,132,737.46 is: 45,199,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,471,223.36 : 102,706,828.77 = 30,132,737.46 : x
  2. Step 2: Convert to fraction form
    68,471,223.36/102,706,828.77 = 30,132,737.46/x
  3. Step 3: Cross multiply
    68,471,223.36x = 102,706,828.77 × 30,132,737.46
  4. Step 4: Simplify right side
    68,471,223.36x = 3,094,837,906,675,584.50
  5. Step 5: Solve for x
    x = 3,094,837,906,675,584.50/68,471,223.36
  6. Step 6: Final answer
    x = 45,199,103.43

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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.