Home / 49,926,562.30-74,889,843.45-21,167,803.90

Finding the Fourth Proportional to 49,926,562.30, 74,889,843.45 and 21,167,803.90

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Solution

The fourth proportional to 49,926,562.30, 74,889,843.45 and 21,167,803.90 is: 31,751,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,926,562.30 : 74,889,843.45 = 21,167,803.90 : x
  2. Step 2: Convert to fraction form
    49,926,562.30/74,889,843.45 = 21,167,803.90/x
  3. Step 3: Cross multiply
    49,926,562.30x = 74,889,843.45 × 21,167,803.90
  4. Step 4: Simplify right side
    49,926,562.30x = 1,585,253,520,251,299.50
  5. Step 5: Solve for x
    x = 1,585,253,520,251,299.50/49,926,562.30
  6. Step 6: Final answer
    x = 31,751,705.85

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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.