Home / 172,462,379.20-258,693,568.80-118,042,820.80

Finding the Fourth Proportional to 172,462,379.20, 258,693,568.80 and 118,042,820.80

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Solution

The fourth proportional to 172,462,379.20, 258,693,568.80 and 118,042,820.80 is: 177,064,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,462,379.20 : 258,693,568.80 = 118,042,820.80 : x
  2. Step 2: Convert to fraction form
    172,462,379.20/258,693,568.80 = 118,042,820.80/x
  3. Step 3: Cross multiply
    172,462,379.20x = 258,693,568.80 × 118,042,820.80
  4. Step 4: Simplify right side
    172,462,379.20x = 30,536,918,583,970,872
  5. Step 5: Solve for x
    x = 30,536,918,583,970,872/172,462,379.20
  6. Step 6: Final answer
    x = 177,064,231.20

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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.