Home / 275,285,420.70-412,928,131.05-158,899,841.70

Finding the Fourth Proportional to 275,285,420.70, 412,928,131.05 and 158,899,841.70

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Solution

The fourth proportional to 275,285,420.70, 412,928,131.05 and 158,899,841.70 is: 238,349,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,285,420.70 : 412,928,131.05 = 158,899,841.70 : x
  2. Step 2: Convert to fraction form
    275,285,420.70/412,928,131.05 = 158,899,841.70/x
  3. Step 3: Cross multiply
    275,285,420.70x = 412,928,131.05 × 158,899,841.70
  4. Step 4: Simplify right side
    275,285,420.70x = 65,614,214,657,321,848
  5. Step 5: Solve for x
    x = 65,614,214,657,321,848/275,285,420.70
  6. Step 6: Final answer
    x = 238,349,762.55

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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.