Home / 309,110,456.46-426,576,589.21-167,984,478.24

Finding the Fourth Proportional to 309,110,456.46, 426,576,589.21 and 167,984,478.24

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Solution

The fourth proportional to 309,110,456.46, 426,576,589.21 and 167,984,478.24 is: 231,820,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,110,456.46 : 426,576,589.21 = 167,984,478.24 : x
  2. Step 2: Convert to fraction form
    309,110,456.46/426,576,589.21 = 167,984,478.24/x
  3. Step 3: Cross multiply
    309,110,456.46x = 426,576,589.21 × 167,984,478.24
  4. Step 4: Simplify right side
    309,110,456.46x = 71,658,245,767,840,664
  5. Step 5: Solve for x
    x = 71,658,245,767,840,664/309,110,456.46
  6. Step 6: Final answer
    x = 231,820,840.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.