Home / 82,681,356.62-114,111,137.12-47,412,963.56

Finding the Fourth Proportional to 82,681,356.62, 114,111,137.12 and 47,412,963.56

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Solution

The fourth proportional to 82,681,356.62, 114,111,137.12 and 47,412,963.56 is: 65,436,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,681,356.62 : 114,111,137.12 = 47,412,963.56 : x
  2. Step 2: Convert to fraction form
    82,681,356.62/114,111,137.12 = 47,412,963.56/x
  3. Step 3: Cross multiply
    82,681,356.62x = 114,111,137.12 × 47,412,963.56
  4. Step 4: Simplify right side
    82,681,356.62x = 5,410,347,186,060,724
  5. Step 5: Solve for x
    x = 5,410,347,186,060,724/82,681,356.62
  6. Step 6: Final answer
    x = 65,436,120.15

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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.