Home / 220,201,700.70-330,292,053.45-74,620,983.90

Finding the Fourth Proportional to 220,201,700.70, 330,292,053.45 and 74,620,983.90

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Solution

The fourth proportional to 220,201,700.70, 330,292,053.45 and 74,620,983.90 is: 111,927,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,201,700.70 : 330,292,053.45 = 74,620,983.90 : x
  2. Step 2: Convert to fraction form
    220,201,700.70/330,292,053.45 = 74,620,983.90/x
  3. Step 3: Cross multiply
    220,201,700.70x = 330,292,053.45 × 74,620,983.90
  4. Step 4: Simplify right side
    220,201,700.70x = 24,646,718,002,790,392
  5. Step 5: Solve for x
    x = 24,646,718,002,790,392/220,201,700.70
  6. Step 6: Final answer
    x = 111,927,918.47

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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.