Home / 304,491,941.98-420,126,858.64-172,332,935.71

Finding the Fourth Proportional to 304,491,941.98, 420,126,858.64 and 172,332,935.71

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Solution

The fourth proportional to 304,491,941.98, 420,126,858.64 and 172,332,935.71 is: 237,778,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,491,941.98 : 420,126,858.64 = 172,332,935.71 : x
  2. Step 2: Convert to fraction form
    304,491,941.98/420,126,858.64 = 172,332,935.71/x
  3. Step 3: Cross multiply
    304,491,941.98x = 420,126,858.64 × 172,332,935.71
  4. Step 4: Simplify right side
    304,491,941.98x = 72,401,694,919,216,480
  5. Step 5: Solve for x
    x = 72,401,694,919,216,480/304,491,941.98
  6. Step 6: Final answer
    x = 237,778,689.48

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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.