Home / 196,822,109.20-295,231,608.60-51,255,389.20

Finding the Fourth Proportional to 196,822,109.20, 295,231,608.60 and 51,255,389.20

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Solution

The fourth proportional to 196,822,109.20, 295,231,608.60 and 51,255,389.20 is: 76,882,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,822,109.20 : 295,231,608.60 = 51,255,389.20 : x
  2. Step 2: Convert to fraction form
    196,822,109.20/295,231,608.60 = 51,255,389.20/x
  3. Step 3: Cross multiply
    196,822,109.20x = 295,231,608.60 × 51,255,389.20
  4. Step 4: Simplify right side
    196,822,109.20x = 15,132,211,002,935,070
  5. Step 5: Solve for x
    x = 15,132,211,002,935,070/196,822,109.20
  6. Step 6: Final answer
    x = 76,882,678.80

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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.