Home / 275,422,615.20-413,037,476.10-81,282,625.20

Finding the Fourth Proportional to 275,422,615.20, 413,037,476.10 and 81,282,625.20

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Solution

The fourth proportional to 275,422,615.20, 413,037,476.10 and 81,282,625.20 is: 121,895,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,422,615.20 : 413,037,476.10 = 81,282,625.20 : x
  2. Step 2: Convert to fraction form
    275,422,615.20/413,037,476.10 = 81,282,625.20/x
  3. Step 3: Cross multiply
    275,422,615.20x = 413,037,476.10 × 81,282,625.20
  4. Step 4: Simplify right side
    275,422,615.20x = 33,572,770,363,390,260
  5. Step 5: Solve for x
    x = 33,572,770,363,390,260/275,422,615.20
  6. Step 6: Final answer
    x = 121,895,474.48

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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.