Home / 172,495,405.80-258,743,108.70-107,925,324.30

Finding the Fourth Proportional to 172,495,405.80, 258,743,108.70 and 107,925,324.30

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Solution

The fourth proportional to 172,495,405.80, 258,743,108.70 and 107,925,324.30 is: 161,887,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,495,405.80 : 258,743,108.70 = 107,925,324.30 : x
  2. Step 2: Convert to fraction form
    172,495,405.80/258,743,108.70 = 107,925,324.30/x
  3. Step 3: Cross multiply
    172,495,405.80x = 258,743,108.70 × 107,925,324.30
  4. Step 4: Simplify right side
    172,495,405.80x = 27,924,933,916,837,648
  5. Step 5: Solve for x
    x = 27,924,933,916,837,648/172,495,405.80
  6. Step 6: Final answer
    x = 161,887,986.45

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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.