Home / 68,079,220.52-93,936,475.24-40,579,707.56

Finding the Fourth Proportional to 68,079,220.52, 93,936,475.24 and 40,579,707.56

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Solution

The fourth proportional to 68,079,220.52, 93,936,475.24 and 40,579,707.56 is: 55,992,337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,079,220.52 : 93,936,475.24 = 40,579,707.56 : x
  2. Step 2: Convert to fraction form
    68,079,220.52/93,936,475.24 = 40,579,707.56/x
  3. Step 3: Cross multiply
    68,079,220.52x = 93,936,475.24 × 40,579,707.56
  4. Step 4: Simplify right side
    68,079,220.52x = 3,811,914,693,885,249
  5. Step 5: Solve for x
    x = 3,811,914,693,885,249/68,079,220.52
  6. Step 6: Final answer
    x = 55,992,337.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.