Home / 510,042,039.06-765,067,344.75-141,605,720.66

Finding the Fourth Proportional to 510,042,039.06, 765,067,344.75 and 141,605,720.66

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Solution

The fourth proportional to 510,042,039.06, 765,067,344.75 and 141,605,720.66 is: 212,409,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,042,039.06 : 765,067,344.75 = 141,605,720.66 : x
  2. Step 2: Convert to fraction form
    510,042,039.06/765,067,344.75 = 141,605,720.66/x
  3. Step 3: Cross multiply
    510,042,039.06x = 765,067,344.75 × 141,605,720.66
  4. Step 4: Simplify right side
    510,042,039.06x = 108,337,912,706,756,416
  5. Step 5: Solve for x
    x = 108,337,912,706,756,416/510,042,039.06
  6. Step 6: Final answer
    x = 212,409,770.98

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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.