Home / 215,953,198.43-324,111,471.90-202,332,931.49

Finding the Fourth Proportional to 215,953,198.43, 324,111,471.90 and 202,332,931.49

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Solution

The fourth proportional to 215,953,198.43, 324,111,471.90 and 202,332,931.49 is: 303,669,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,953,198.43 : 324,111,471.90 = 202,332,931.49 : x
  2. Step 2: Convert to fraction form
    215,953,198.43/324,111,471.90 = 202,332,931.49/x
  3. Step 3: Cross multiply
    215,953,198.43x = 324,111,471.90 × 202,332,931.49
  4. Step 4: Simplify right side
    215,953,198.43x = 65,578,424,237,445,200
  5. Step 5: Solve for x
    x = 65,578,424,237,445,200/215,953,198.43
  6. Step 6: Final answer
    x = 303,669,613.21

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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.