Home / 47,713,753.56-65,824,188.08-30,061,940.78

Finding the Fourth Proportional to 47,713,753.56, 65,824,188.08 and 30,061,940.78

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Solution

The fourth proportional to 47,713,753.56, 65,824,188.08 and 30,061,940.78 is: 41,472,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713,753.56 : 65,824,188.08 = 30,061,940.78 : x
  2. Step 2: Convert to fraction form
    47,713,753.56/65,824,188.08 = 30,061,940.78/x
  3. Step 3: Cross multiply
    47,713,753.56x = 65,824,188.08 × 30,061,940.78
  4. Step 4: Simplify right side
    47,713,753.56x = 1,978,802,843,952,542
  5. Step 5: Solve for x
    x = 1,978,802,843,952,542/47,713,753.56
  6. Step 6: Final answer
    x = 41,472,378.43

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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.