Home / 172,354,902.30-258,771,501.90-107,784,820.80

Finding the Fourth Proportional to 172,354,902.30, 258,771,501.90 and 107,784,820.80

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Solution

The fourth proportional to 172,354,902.30, 258,771,501.90 and 107,784,820.80 is: 161,826,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,354,902.30 : 258,771,501.90 = 107,784,820.80 : x
  2. Step 2: Convert to fraction form
    172,354,902.30/258,771,501.90 = 107,784,820.80/x
  3. Step 3: Cross multiply
    172,354,902.30x = 258,771,501.90 × 107,784,820.80
  4. Step 4: Simplify right side
    172,354,902.30x = 27,891,639,960,438,360
  5. Step 5: Solve for x
    x = 27,891,639,960,438,360/172,354,902.30
  6. Step 6: Final answer
    x = 161,826,786.41

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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.