Home / 270,401,847.82-405,546,013.20-76,267,862.95

Finding the Fourth Proportional to 270,401,847.82, 405,546,013.20 and 76,267,862.95

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Solution

The fourth proportional to 270,401,847.82, 405,546,013.20 and 76,267,862.95 is: 114,385,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,401,847.82 : 405,546,013.20 = 76,267,862.95 : x
  2. Step 2: Convert to fraction form
    270,401,847.82/405,546,013.20 = 76,267,862.95/x
  3. Step 3: Cross multiply
    270,401,847.82x = 405,546,013.20 × 76,267,862.95
  4. Step 4: Simplify right side
    270,401,847.82x = 30,930,127,754,656,492
  5. Step 5: Solve for x
    x = 30,930,127,754,656,492/270,401,847.82
  6. Step 6: Final answer
    x = 114,385,785.47

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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.