Home / 193,537,237.20-290,305,855.80-72,352,942.80

Finding the Fourth Proportional to 193,537,237.20, 290,305,855.80 and 72,352,942.80

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Solution

The fourth proportional to 193,537,237.20, 290,305,855.80 and 72,352,942.80 is: 108,529,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,537,237.20 : 290,305,855.80 = 72,352,942.80 : x
  2. Step 2: Convert to fraction form
    193,537,237.20/290,305,855.80 = 72,352,942.80/x
  3. Step 3: Cross multiply
    193,537,237.20x = 290,305,855.80 × 72,352,942.80
  4. Step 4: Simplify right side
    193,537,237.20x = 21,004,482,979,202,448
  5. Step 5: Solve for x
    x = 21,004,482,979,202,448/193,537,237.20
  6. Step 6: Final answer
    x = 108,529,414.20

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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.