Home / 65,481,229.84-98,205,085.12-19,412,326.12

Finding the Fourth Proportional to 65,481,229.84, 98,205,085.12 and 19,412,326.12

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Solution

The fourth proportional to 65,481,229.84, 98,205,085.12 and 19,412,326.12 is: 29,113,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,481,229.84 : 98,205,085.12 = 19,412,326.12 : x
  2. Step 2: Convert to fraction form
    65,481,229.84/98,205,085.12 = 19,412,326.12/x
  3. Step 3: Cross multiply
    65,481,229.84x = 98,205,085.12 × 19,412,326.12
  4. Step 4: Simplify right side
    65,481,229.84x = 1,906,389,138,991,799.50
  5. Step 5: Solve for x
    x = 1,906,389,138,991,799.50/65,481,229.84
  6. Step 6: Final answer
    x = 29,113,520.68

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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.