Home / 239,024,072.12-330,005,786.82-195,076,064.12

Finding the Fourth Proportional to 239,024,072.12, 330,005,786.82 and 195,076,064.12

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Solution

The fourth proportional to 239,024,072.12, 330,005,786.82 and 195,076,064.12 is: 269,329,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,024,072.12 : 330,005,786.82 = 195,076,064.12 : x
  2. Step 2: Convert to fraction form
    239,024,072.12/330,005,786.82 = 195,076,064.12/x
  3. Step 3: Cross multiply
    239,024,072.12x = 330,005,786.82 × 195,076,064.12
  4. Step 4: Simplify right side
    239,024,072.12x = 64,376,230,029,669,368
  5. Step 5: Solve for x
    x = 64,376,230,029,669,368/239,024,072.12
  6. Step 6: Final answer
    x = 269,329,484.09

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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.