Home / 49,704,105.90-74,511,835.65-19,404,921.90

Finding the Fourth Proportional to 49,704,105.90, 74,511,835.65 and 19,404,921.90

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Solution

The fourth proportional to 49,704,105.90, 74,511,835.65 and 19,404,921.90 is: 29,090,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,704,105.90 : 74,511,835.65 = 19,404,921.90 : x
  2. Step 2: Convert to fraction form
    49,704,105.90/74,511,835.65 = 19,404,921.90/x
  3. Step 3: Cross multiply
    49,704,105.90x = 74,511,835.65 × 19,404,921.90
  4. Step 4: Simplify right side
    49,704,105.90x = 1,445,896,351,413,885.75
  5. Step 5: Solve for x
    x = 1,445,896,351,413,885.75/49,704,105.90
  6. Step 6: Final answer
    x = 29,090,078.68

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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.