Home / 200,921,570.70-301,382,356.05-143,100,789.90

Finding the Fourth Proportional to 200,921,570.70, 301,382,356.05 and 143,100,789.90

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Solution

The fourth proportional to 200,921,570.70, 301,382,356.05 and 143,100,789.90 is: 214,651,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,921,570.70 : 301,382,356.05 = 143,100,789.90 : x
  2. Step 2: Convert to fraction form
    200,921,570.70/301,382,356.05 = 143,100,789.90/x
  3. Step 3: Cross multiply
    200,921,570.70x = 301,382,356.05 × 143,100,789.90
  4. Step 4: Simplify right side
    200,921,570.70x = 43,128,053,212,678,048
  5. Step 5: Solve for x
    x = 43,128,053,212,678,048/200,921,570.70
  6. Step 6: Final answer
    x = 214,651,184.85

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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.