Home / 239,024,074.12-330,005,789.60-195,076,066.12

Finding the Fourth Proportional to 239,024,074.12, 330,005,789.60 and 195,076,066.12

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Solution

The fourth proportional to 239,024,074.12, 330,005,789.60 and 195,076,066.12 is: 269,329,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,024,074.12 : 330,005,789.60 = 195,076,066.12 : x
  2. Step 2: Convert to fraction form
    239,024,074.12/330,005,789.60 = 195,076,066.12/x
  3. Step 3: Cross multiply
    239,024,074.12x = 330,005,789.60 × 195,076,066.12
  4. Step 4: Simplify right side
    239,024,074.12x = 64,376,231,231,992,416
  5. Step 5: Solve for x
    x = 64,376,231,231,992,416/239,024,074.12
  6. Step 6: Final answer
    x = 269,329,486.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.