Home / 330,093,998.80-495,140,998.20-103,159,214.80

Finding the Fourth Proportional to 330,093,998.80, 495,140,998.20 and 103,159,214.80

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Solution

The fourth proportional to 330,093,998.80, 495,140,998.20 and 103,159,214.80 is: 154,738,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,093,998.80 : 495,140,998.20 = 103,159,214.80 : x
  2. Step 2: Convert to fraction form
    330,093,998.80/495,140,998.20 = 103,159,214.80/x
  3. Step 3: Cross multiply
    330,093,998.80x = 495,140,998.20 × 103,159,214.80
  4. Step 4: Simplify right side
    330,093,998.80x = 51,078,356,589,600,208
  5. Step 5: Solve for x
    x = 51,078,356,589,600,208/330,093,998.80
  6. Step 6: Final answer
    x = 154,738,822.20

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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.