Home / 200,945,403.06-301,438,957.41-55,378,989.06

Finding the Fourth Proportional to 200,945,403.06, 301,438,957.41 and 55,378,989.06

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Solution

The fourth proportional to 200,945,403.06, 301,438,957.41 and 55,378,989.06 is: 83,074,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,945,403.06 : 301,438,957.41 = 55,378,989.06 : x
  2. Step 2: Convert to fraction form
    200,945,403.06/301,438,957.41 = 55,378,989.06/x
  3. Step 3: Cross multiply
    200,945,403.06x = 301,438,957.41 × 55,378,989.06
  4. Step 4: Simplify right side
    200,945,403.06x = 16,693,384,724,666,198
  5. Step 5: Solve for x
    x = 16,693,384,724,666,198/200,945,403.06
  6. Step 6: Final answer
    x = 83,074,230.46

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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.