Home / 275,285,421.70-412,928,132.55-158,899,842.70

Finding the Fourth Proportional to 275,285,421.70, 412,928,132.55 and 158,899,842.70

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Solution

The fourth proportional to 275,285,421.70, 412,928,132.55 and 158,899,842.70 is: 238,349,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,285,421.70 : 412,928,132.55 = 158,899,842.70 : x
  2. Step 2: Convert to fraction form
    275,285,421.70/412,928,132.55 = 158,899,842.70/x
  3. Step 3: Cross multiply
    275,285,421.70x = 412,928,132.55 × 158,899,842.70
  4. Step 4: Simplify right side
    275,285,421.70x = 65,614,215,308,599,744
  5. Step 5: Solve for x
    x = 65,614,215,308,599,744/275,285,421.70
  6. Step 6: Final answer
    x = 238,349,764.05

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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.