Home / 49,922,600.40-74,846,575.80-21,145,179.60

Finding the Fourth Proportional to 49,922,600.40, 74,846,575.80 and 21,145,179.60

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Solution

The fourth proportional to 49,922,600.40, 74,846,575.80 and 21,145,179.60 is: 31,701,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,922,600.40 : 74,846,575.80 = 21,145,179.60 : x
  2. Step 2: Convert to fraction form
    49,922,600.40/74,846,575.80 = 21,145,179.60/x
  3. Step 3: Cross multiply
    49,922,600.40x = 74,846,575.80 × 21,145,179.60
  4. Step 4: Simplify right side
    49,922,600.40x = 1,582,644,287,736,013.75
  5. Step 5: Solve for x
    x = 1,582,644,287,736,013.75/49,922,600.40
  6. Step 6: Final answer
    x = 31,701,960.14

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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.