Home / 50,902,515.30-76,343,918.62-19,778,119.10

Finding the Fourth Proportional to 50,902,515.30, 76,343,918.62 and 19,778,119.10

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Solution

The fourth proportional to 50,902,515.30, 76,343,918.62 and 19,778,119.10 is: 29,663,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,902,515.30 : 76,343,918.62 = 19,778,119.10 : x
  2. Step 2: Convert to fraction form
    50,902,515.30/76,343,918.62 = 19,778,119.10/x
  3. Step 3: Cross multiply
    50,902,515.30x = 76,343,918.62 × 19,778,119.10
  4. Step 4: Simplify right side
    50,902,515.30x = 1,509,939,115,027,067.75
  5. Step 5: Solve for x
    x = 1,509,939,115,027,067.75/50,902,515.30
  6. Step 6: Final answer
    x = 29,663,349.76

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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.