Home / 68,728,608.30-103,092,912.45-38,117,606.70

Finding the Fourth Proportional to 68,728,608.30, 103,092,912.45 and 38,117,606.70

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Solution

The fourth proportional to 68,728,608.30, 103,092,912.45 and 38,117,606.70 is: 57,176,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,728,608.30 : 103,092,912.45 = 38,117,606.70 : x
  2. Step 2: Convert to fraction form
    68,728,608.30/103,092,912.45 = 38,117,606.70/x
  3. Step 3: Cross multiply
    68,728,608.30x = 103,092,912.45 × 38,117,606.70
  4. Step 4: Simplify right side
    68,728,608.30x = 3,929,655,090,326,634
  5. Step 5: Solve for x
    x = 3,929,655,090,326,634/68,728,608.30
  6. Step 6: Final answer
    x = 57,176,410.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.