Home / 329,715,748.80-494,645,356.80-99,678,826.80

Finding the Fourth Proportional to 329,715,748.80, 494,645,356.80 and 99,678,826.80

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Solution

The fourth proportional to 329,715,748.80, 494,645,356.80 and 99,678,826.80 is: 149,539,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,715,748.80 : 494,645,356.80 = 99,678,826.80 : x
  2. Step 2: Convert to fraction form
    329,715,748.80/494,645,356.80 = 99,678,826.80/x
  3. Step 3: Cross multiply
    329,715,748.80x = 494,645,356.80 × 99,678,826.80
  4. Step 4: Simplify right side
    329,715,748.80x = 49,305,668,847,891,400
  5. Step 5: Solve for x
    x = 49,305,668,847,891,400/329,715,748.80
  6. Step 6: Final answer
    x = 149,539,926.52

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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.