Home / 275,285,431.70-412,928,147.55-158,899,852.70

Finding the Fourth Proportional to 275,285,431.70, 412,928,147.55 and 158,899,852.70

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Solution

The fourth proportional to 275,285,431.70, 412,928,147.55 and 158,899,852.70 is: 238,349,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,285,431.70 : 412,928,147.55 = 158,899,852.70 : x
  2. Step 2: Convert to fraction form
    275,285,431.70/412,928,147.55 = 158,899,852.70/x
  3. Step 3: Cross multiply
    275,285,431.70x = 412,928,147.55 × 158,899,852.70
  4. Step 4: Simplify right side
    275,285,431.70x = 65,614,221,821,378,864
  5. Step 5: Solve for x
    x = 65,614,221,821,378,864/275,285,431.70
  6. Step 6: Final answer
    x = 238,349,779.05

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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.