Home / 215,093,300.80-322,639,951.20-188,219,444.80

Finding the Fourth Proportional to 215,093,300.80, 322,639,951.20 and 188,219,444.80

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Solution

The fourth proportional to 215,093,300.80, 322,639,951.20 and 188,219,444.80 is: 282,329,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,093,300.80 : 322,639,951.20 = 188,219,444.80 : x
  2. Step 2: Convert to fraction form
    215,093,300.80/322,639,951.20 = 188,219,444.80/x
  3. Step 3: Cross multiply
    215,093,300.80x = 322,639,951.20 × 188,219,444.80
  4. Step 4: Simplify right side
    215,093,300.80x = 60,727,112,485,163,096
  5. Step 5: Solve for x
    x = 60,727,112,485,163,096/215,093,300.80
  6. Step 6: Final answer
    x = 282,329,167.20

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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.