Home / 214,623,820.80-321,953,227.20-91,803,067.20

Finding the Fourth Proportional to 214,623,820.80, 321,953,227.20 and 91,803,067.20

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Solution

The fourth proportional to 214,623,820.80, 321,953,227.20 and 91,803,067.20 is: 137,712,084.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,623,820.80 : 321,953,227.20 = 91,803,067.20 : x
  2. Step 2: Convert to fraction form
    214,623,820.80/321,953,227.20 = 91,803,067.20/x
  3. Step 3: Cross multiply
    214,623,820.80x = 321,953,227.20 × 91,803,067.20
  4. Step 4: Simplify right side
    214,623,820.80x = 29,556,293,751,898,468
  5. Step 5: Solve for x
    x = 29,556,293,751,898,468/214,623,820.80
  6. Step 6: Final answer
    x = 137,712,084.53

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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.