Home / 128,295,755.88-192,500,845.65-59,171,388.90

Finding the Fourth Proportional to 128,295,755.88, 192,500,845.65 and 59,171,388.90

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Solution

The fourth proportional to 128,295,755.88, 192,500,845.65 and 59,171,388.90 is: 88,783,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,295,755.88 : 192,500,845.65 = 59,171,388.90 : x
  2. Step 2: Convert to fraction form
    128,295,755.88/192,500,845.65 = 59,171,388.90/x
  3. Step 3: Cross multiply
    128,295,755.88x = 192,500,845.65 × 59,171,388.90
  4. Step 4: Simplify right side
    128,295,755.88x = 11,390,542,401,535,024
  5. Step 5: Solve for x
    x = 11,390,542,401,535,024/128,295,755.88
  6. Step 6: Final answer
    x = 88,783,470.06

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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.