Home / 90,724,492.20-136,086,738.30-65,215,324.20

Finding the Fourth Proportional to 90,724,492.20, 136,086,738.30 and 65,215,324.20

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Solution

The fourth proportional to 90,724,492.20, 136,086,738.30 and 65,215,324.20 is: 97,822,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,724,492.20 : 136,086,738.30 = 65,215,324.20 : x
  2. Step 2: Convert to fraction form
    90,724,492.20/136,086,738.30 = 65,215,324.20/x
  3. Step 3: Cross multiply
    90,724,492.20x = 136,086,738.30 × 65,215,324.20
  4. Step 4: Simplify right side
    90,724,492.20x = 8,874,940,757,555,058
  5. Step 5: Solve for x
    x = 8,874,940,757,555,058/90,724,492.20
  6. Step 6: Final answer
    x = 97,822,986.30

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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.