Home / 50,902,508.78-76,343,908.87-19,778,112.57

Finding the Fourth Proportional to 50,902,508.78, 76,343,908.87 and 19,778,112.57

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Solution

The fourth proportional to 50,902,508.78, 76,343,908.87 and 19,778,112.57 is: 29,663,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,902,508.78 : 76,343,908.87 = 19,778,112.57 : x
  2. Step 2: Convert to fraction form
    50,902,508.78/76,343,908.87 = 19,778,112.57/x
  3. Step 3: Cross multiply
    50,902,508.78x = 76,343,908.87 × 19,778,112.57
  4. Step 4: Simplify right side
    50,902,508.78x = 1,509,938,423,664,681.50
  5. Step 5: Solve for x
    x = 1,509,938,423,664,681.50/50,902,508.78
  6. Step 6: Final answer
    x = 29,663,339.98

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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.