Home / 58,420,785.89-80,198,512.26-50,146,483.28

Finding the Fourth Proportional to 58,420,785.89, 80,198,512.26 and 50,146,483.28

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Solution

The fourth proportional to 58,420,785.89, 80,198,512.26 and 50,146,483.28 is: 68,839,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,420,785.89 : 80,198,512.26 = 50,146,483.28 : x
  2. Step 2: Convert to fraction form
    58,420,785.89/80,198,512.26 = 50,146,483.28/x
  3. Step 3: Cross multiply
    58,420,785.89x = 80,198,512.26 × 50,146,483.28
  4. Step 4: Simplify right side
    58,420,785.89x = 4,021,673,353,725,972.50
  5. Step 5: Solve for x
    x = 4,021,673,353,725,972.50/58,420,785.89
  6. Step 6: Final answer
    x = 68,839,768.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.