Home / 49,939,481.80-74,893,670.70-19,656,627.40

Finding the Fourth Proportional to 49,939,481.80, 74,893,670.70 and 19,656,627.40

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Solution

The fourth proportional to 49,939,481.80, 74,893,670.70 and 19,656,627.40 is: 29,478,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,939,481.80 : 74,893,670.70 = 19,656,627.40 : x
  2. Step 2: Convert to fraction form
    49,939,481.80/74,893,670.70 = 19,656,627.40/x
  3. Step 3: Cross multiply
    49,939,481.80x = 74,893,670.70 × 19,656,627.40
  4. Step 4: Simplify right side
    49,939,481.80x = 1,472,156,979,568,197.25
  5. Step 5: Solve for x
    x = 1,472,156,979,568,197.25/49,939,481.80
  6. Step 6: Final answer
    x = 29,478,819.69

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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.