Home / 204,464,599.85-306,589,282.97-139,786,901.57

Finding the Fourth Proportional to 204,464,599.85, 306,589,282.97 and 139,786,901.57

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Solution

The fourth proportional to 204,464,599.85, 306,589,282.97 and 139,786,901.57 is: 209,606,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,464,599.85 : 306,589,282.97 = 139,786,901.57 : x
  2. Step 2: Convert to fraction form
    204,464,599.85/306,589,282.97 = 139,786,901.57/x
  3. Step 3: Cross multiply
    204,464,599.85x = 306,589,282.97 × 139,786,901.57
  4. Step 4: Simplify right side
    204,464,599.85x = 42,857,165,918,712,384
  5. Step 5: Solve for x
    x = 42,857,165,918,712,384/204,464,599.85
  6. Step 6: Final answer
    x = 209,606,777.66

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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.