Home / 291,269,672.76-401,964,366.06-167,510,448.84

Finding the Fourth Proportional to 291,269,672.76, 401,964,366.06 and 167,510,448.84

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Solution

The fourth proportional to 291,269,672.76, 401,964,366.06 and 167,510,448.84 is: 231,171,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,269,672.76 : 401,964,366.06 = 167,510,448.84 : x
  2. Step 2: Convert to fraction form
    291,269,672.76/401,964,366.06 = 167,510,448.84/x
  3. Step 3: Cross multiply
    291,269,672.76x = 401,964,366.06 × 167,510,448.84
  4. Step 4: Simplify right side
    291,269,672.76x = 67,333,231,376,396,664
  5. Step 5: Solve for x
    x = 67,333,231,376,396,664/291,269,672.76
  6. Step 6: Final answer
    x = 231,171,445.82

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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.