Home / 196,129,105.20-293,662,816.20-153,661,777.20

Finding the Fourth Proportional to 196,129,105.20, 293,662,816.20 and 153,661,777.20

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Solution

The fourth proportional to 196,129,105.20, 293,662,816.20 and 153,661,777.20 is: 230,076,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,129,105.20 : 293,662,816.20 = 153,661,777.20 : x
  2. Step 2: Convert to fraction form
    196,129,105.20/293,662,816.20 = 153,661,777.20/x
  3. Step 3: Cross multiply
    196,129,105.20x = 293,662,816.20 × 153,661,777.20
  4. Step 4: Simplify right side
    196,129,105.20x = 45,124,750,234,848,944
  5. Step 5: Solve for x
    x = 45,124,750,234,848,944/196,129,105.20
  6. Step 6: Final answer
    x = 230,076,765.96

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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.