Home / 146,546,786.42-219,820,937.85-85,919,997.14

Finding the Fourth Proportional to 146,546,786.42, 219,820,937.85 and 85,919,997.14

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Solution

The fourth proportional to 146,546,786.42, 219,820,937.85 and 85,919,997.14 is: 128,880,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,546,786.42 : 219,820,937.85 = 85,919,997.14 : x
  2. Step 2: Convert to fraction form
    146,546,786.42/219,820,937.85 = 85,919,997.14/x
  3. Step 3: Cross multiply
    146,546,786.42x = 219,820,937.85 × 85,919,997.14
  4. Step 4: Simplify right side
    146,546,786.42x = 18,887,014,351,384,116
  5. Step 5: Solve for x
    x = 18,887,014,351,384,116/146,546,786.42
  6. Step 6: Final answer
    x = 128,880,440.25

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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.