Home / 304,491,750.88-420,199,010.16-165,262,497.76

Finding the Fourth Proportional to 304,491,750.88, 420,199,010.16 and 165,262,497.76

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Solution

The fourth proportional to 304,491,750.88, 420,199,010.16 and 165,262,497.76 is: 228,062,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,491,750.88 : 420,199,010.16 = 165,262,497.76 : x
  2. Step 2: Convert to fraction form
    304,491,750.88/420,199,010.16 = 165,262,497.76/x
  3. Step 3: Cross multiply
    304,491,750.88x = 420,199,010.16 × 165,262,497.76
  4. Step 4: Simplify right side
    304,491,750.88x = 69,443,137,975,321,216
  5. Step 5: Solve for x
    x = 69,443,137,975,321,216/304,491,750.88
  6. Step 6: Final answer
    x = 228,062,460.72

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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.