Home / 270,394,537.52-405,535,054.34-76,260,551.85

Finding the Fourth Proportional to 270,394,537.52, 405,535,054.34 and 76,260,551.85

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Solution

The fourth proportional to 270,394,537.52, 405,535,054.34 and 76,260,551.85 is: 114,374,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,394,537.52 : 405,535,054.34 = 76,260,551.85 : x
  2. Step 2: Convert to fraction form
    270,394,537.52/405,535,054.34 = 76,260,551.85/x
  3. Step 3: Cross multiply
    270,394,537.52x = 405,535,054.34 × 76,260,551.85
  4. Step 4: Simplify right side
    270,394,537.52x = 30,926,327,038,678,784
  5. Step 5: Solve for x
    x = 30,926,327,038,678,784/270,394,537.52
  6. Step 6: Final answer
    x = 114,374,821.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.