Home / 68,137,331.52-94,029,039.16-37,197,500.81

Finding the Fourth Proportional to 68,137,331.52, 94,029,039.16 and 37,197,500.81

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Solution

The fourth proportional to 68,137,331.52, 94,029,039.16 and 37,197,500.81 is: 51,332,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,137,331.52 : 94,029,039.16 = 37,197,500.81 : x
  2. Step 2: Convert to fraction form
    68,137,331.52/94,029,039.16 = 37,197,500.81/x
  3. Step 3: Cross multiply
    68,137,331.52x = 94,029,039.16 × 37,197,500.81
  4. Step 4: Simplify right side
    68,137,331.52x = 3,497,645,259,859,119
  5. Step 5: Solve for x
    x = 3,497,645,259,859,119/68,137,331.52
  6. Step 6: Final answer
    x = 51,332,289.97

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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.