Home / 85,760,540.76-128,646,409.89-62,800,190.04

Finding the Fourth Proportional to 85,760,540.76, 128,646,409.89 and 62,800,190.04

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Solution

The fourth proportional to 85,760,540.76, 128,646,409.89 and 62,800,190.04 is: 94,204,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,760,540.76 : 128,646,409.89 = 62,800,190.04 : x
  2. Step 2: Convert to fraction form
    85,760,540.76/128,646,409.89 = 62,800,190.04/x
  3. Step 3: Cross multiply
    85,760,540.76x = 128,646,409.89 × 62,800,190.04
  4. Step 4: Simplify right side
    85,760,540.76x = 8,079,018,989,055,735
  5. Step 5: Solve for x
    x = 8,079,018,989,055,735/85,760,540.76
  6. Step 6: Final answer
    x = 94,204,384.88

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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.