Home / 275,285,430.45-412,928,145.68-158,899,851.45

Finding the Fourth Proportional to 275,285,430.45, 412,928,145.68 and 158,899,851.45

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Solution

The fourth proportional to 275,285,430.45, 412,928,145.68 and 158,899,851.45 is: 238,349,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,285,430.45 : 412,928,145.68 = 158,899,851.45 : x
  2. Step 2: Convert to fraction form
    275,285,430.45/412,928,145.68 = 158,899,851.45/x
  3. Step 3: Cross multiply
    275,285,430.45x = 412,928,145.68 × 158,899,851.45
  4. Step 4: Simplify right side
    275,285,430.45x = 65,614,221,007,281,456
  5. Step 5: Solve for x
    x = 65,614,221,007,281,456/275,285,430.45
  6. Step 6: Final answer
    x = 238,349,777.18

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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.