Home / 49,072,474.59-67,722,678.08-28,164,340.09

Finding the Fourth Proportional to 49,072,474.59, 67,722,678.08 and 28,164,340.09

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Solution

The fourth proportional to 49,072,474.59, 67,722,678.08 and 28,164,340.09 is: 38,868,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,072,474.59 : 67,722,678.08 = 28,164,340.09 : x
  2. Step 2: Convert to fraction form
    49,072,474.59/67,722,678.08 = 28,164,340.09/x
  3. Step 3: Cross multiply
    49,072,474.59x = 67,722,678.08 × 28,164,340.09
  4. Step 4: Simplify right side
    49,072,474.59x = 1,907,364,536,940,579.75
  5. Step 5: Solve for x
    x = 1,907,364,536,940,579.75/49,072,474.59
  6. Step 6: Final answer
    x = 38,868,317.79

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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.