Home / 258,082,968.96-356,154,301.44-142,189,464.96

Finding the Fourth Proportional to 258,082,968.96, 356,154,301.44 and 142,189,464.96

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Solution

The fourth proportional to 258,082,968.96, 356,154,301.44 and 142,189,464.96 is: 196,221,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,082,968.96 : 356,154,301.44 = 142,189,464.96 : x
  2. Step 2: Convert to fraction form
    258,082,968.96/356,154,301.44 = 142,189,464.96/x
  3. Step 3: Cross multiply
    258,082,968.96x = 356,154,301.44 × 142,189,464.96
  4. Step 4: Simplify right side
    258,082,968.96x = 50,641,389,564,956,160
  5. Step 5: Solve for x
    x = 50,641,389,564,956,160/258,082,968.96
  6. Step 6: Final answer
    x = 196,221,353.81

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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.