Home / 304,491,530.88-420,198,706.08-165,262,276.80

Finding the Fourth Proportional to 304,491,530.88, 420,198,706.08 and 165,262,276.80

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Solution

The fourth proportional to 304,491,530.88, 420,198,706.08 and 165,262,276.80 is: 228,062,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,491,530.88 : 420,198,706.08 = 165,262,276.80 : x
  2. Step 2: Convert to fraction form
    304,491,530.88/420,198,706.08 = 165,262,276.80/x
  3. Step 3: Cross multiply
    304,491,530.88x = 420,198,706.08 × 165,262,276.80
  4. Step 4: Simplify right side
    304,491,530.88x = 69,442,994,875,194,808
  5. Step 5: Solve for x
    x = 69,442,994,875,194,808/304,491,530.88
  6. Step 6: Final answer
    x = 228,062,155.54

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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.