Home / 291,269,170.28-401,963,674.20-167,509,945.82

Finding the Fourth Proportional to 291,269,170.28, 401,963,674.20 and 167,509,945.82

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Solution

The fourth proportional to 291,269,170.28, 401,963,674.20 and 167,509,945.82 is: 231,170,752.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,269,170.28 : 401,963,674.20 = 167,509,945.82 : x
  2. Step 2: Convert to fraction form
    291,269,170.28/401,963,674.20 = 167,509,945.82/x
  3. Step 3: Cross multiply
    291,269,170.28x = 401,963,674.20 × 167,509,945.82
  4. Step 4: Simplify right side
    291,269,170.28x = 67,332,913,287,228,544
  5. Step 5: Solve for x
    x = 67,332,913,287,228,544/291,269,170.28
  6. Step 6: Final answer
    x = 231,170,752.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.