Home / 68,367,840.36-94,356,600.90-38,992,439.04

Finding the Fourth Proportional to 68,367,840.36, 94,356,600.90 and 38,992,439.04

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Solution

The fourth proportional to 68,367,840.36, 94,356,600.90 and 38,992,439.04 is: 53,814,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,367,840.36 : 94,356,600.90 = 38,992,439.04 : x
  2. Step 2: Convert to fraction form
    68,367,840.36/94,356,600.90 = 38,992,439.04/x
  3. Step 3: Cross multiply
    68,367,840.36x = 94,356,600.90 × 38,992,439.04
  4. Step 4: Simplify right side
    68,367,840.36x = 3,679,194,008,614,859.50
  5. Step 5: Solve for x
    x = 3,679,194,008,614,859.50/68,367,840.36
  6. Step 6: Final answer
    x = 53,814,688.15

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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.