Home / 178,919,712.72-268,349,672.79-49,540,401.27

Finding the Fourth Proportional to 178,919,712.72, 268,349,672.79 and 49,540,401.27

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Solution

The fourth proportional to 178,919,712.72, 268,349,672.79 and 49,540,401.27 is: 74,302,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,919,712.72 : 268,349,672.79 = 49,540,401.27 : x
  2. Step 2: Convert to fraction form
    178,919,712.72/268,349,672.79 = 49,540,401.27/x
  3. Step 3: Cross multiply
    178,919,712.72x = 268,349,672.79 × 49,540,401.27
  4. Step 4: Simplify right side
    178,919,712.72x = 13,294,150,470,689,800
  5. Step 5: Solve for x
    x = 13,294,150,470,689,800/178,919,712.72
  6. Step 6: Final answer
    x = 74,302,324.03

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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.