Home / 201,945,493.72-303,010,280.76-103,646,230.26

Finding the Fourth Proportional to 201,945,493.72, 303,010,280.76 and 103,646,230.26

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Solution

The fourth proportional to 201,945,493.72, 303,010,280.76 and 103,646,230.26 is: 155,516,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,945,493.72 : 303,010,280.76 = 103,646,230.26 : x
  2. Step 2: Convert to fraction form
    201,945,493.72/303,010,280.76 = 103,646,230.26/x
  3. Step 3: Cross multiply
    201,945,493.72x = 303,010,280.76 × 103,646,230.26
  4. Step 4: Simplify right side
    201,945,493.72x = 31,405,873,330,798,208
  5. Step 5: Solve for x
    x = 31,405,873,330,798,208/201,945,493.72
  6. Step 6: Final answer
    x = 155,516,583.97

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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.