Home / 123,524,962.60-170,484,891.78-68,538,533.80

Finding the Fourth Proportional to 123,524,962.60, 170,484,891.78 and 68,538,533.80

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Solution

The fourth proportional to 123,524,962.60, 170,484,891.78 and 68,538,533.80 is: 94,594,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,524,962.60 : 170,484,891.78 = 68,538,533.80 : x
  2. Step 2: Convert to fraction form
    123,524,962.60/170,484,891.78 = 68,538,533.80/x
  3. Step 3: Cross multiply
    123,524,962.60x = 170,484,891.78 × 68,538,533.80
  4. Step 4: Simplify right side
    123,524,962.60x = 11,684,784,517,652,872
  5. Step 5: Solve for x
    x = 11,684,784,517,652,872/123,524,962.60
  6. Step 6: Final answer
    x = 94,594,519.78

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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.