Home / 231,501,928.42-319,471,399.92-127,081,776.34

Finding the Fourth Proportional to 231,501,928.42, 319,471,399.92 and 127,081,776.34

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Solution

The fourth proportional to 231,501,928.42, 319,471,399.92 and 127,081,776.34 is: 175,372,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,501,928.42 : 319,471,399.92 = 127,081,776.34 : x
  2. Step 2: Convert to fraction form
    231,501,928.42/319,471,399.92 = 127,081,776.34/x
  3. Step 3: Cross multiply
    231,501,928.42x = 319,471,399.92 × 127,081,776.34
  4. Step 4: Simplify right side
    231,501,928.42x = 40,598,992,991,660,136
  5. Step 5: Solve for x
    x = 40,598,992,991,660,136/231,501,928.42
  6. Step 6: Final answer
    x = 175,372,158.97

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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.