Home / 289,250,051.03-399,189,687.78-163,824,558.56

Finding the Fourth Proportional to 289,250,051.03, 399,189,687.78 and 163,824,558.56

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Solution

The fourth proportional to 289,250,051.03, 399,189,687.78 and 163,824,558.56 is: 226,091,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,250,051.03 : 399,189,687.78 = 163,824,558.56 : x
  2. Step 2: Convert to fraction form
    289,250,051.03/399,189,687.78 = 163,824,558.56/x
  3. Step 3: Cross multiply
    289,250,051.03x = 399,189,687.78 × 163,824,558.56
  4. Step 4: Simplify right side
    289,250,051.03x = 65,397,074,380,266,776
  5. Step 5: Solve for x
    x = 65,397,074,380,266,776/289,250,051.03
  6. Step 6: Final answer
    x = 226,091,833.51

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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.