Home / 50,902,498.78-76,343,893.88-19,778,102.57

Finding the Fourth Proportional to 50,902,498.78, 76,343,893.88 and 19,778,102.57

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Solution

The fourth proportional to 50,902,498.78, 76,343,893.88 and 19,778,102.57 is: 29,663,324.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,902,498.78 : 76,343,893.88 = 19,778,102.57 : x
  2. Step 2: Convert to fraction form
    50,902,498.78/76,343,893.88 = 19,778,102.57/x
  3. Step 3: Cross multiply
    50,902,498.78x = 76,343,893.88 × 19,778,102.57
  4. Step 4: Simplify right side
    50,902,498.78x = 1,509,937,363,843,804.50
  5. Step 5: Solve for x
    x = 1,509,937,363,843,804.50/50,902,498.78
  6. Step 6: Final answer
    x = 29,663,324.99

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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.