Home / 72,772,801.41-100,435,272.12-41,418,473.88

Finding the Fourth Proportional to 72,772,801.41, 100,435,272.12 and 41,418,473.88

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Solution

The fourth proportional to 72,772,801.41, 100,435,272.12 and 41,418,473.88 is: 57,162,505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,772,801.41 : 100,435,272.12 = 41,418,473.88 : x
  2. Step 2: Convert to fraction form
    72,772,801.41/100,435,272.12 = 41,418,473.88/x
  3. Step 3: Cross multiply
    72,772,801.41x = 100,435,272.12 × 41,418,473.88
  4. Step 4: Simplify right side
    72,772,801.41x = 4,159,875,694,932,912.50
  5. Step 5: Solve for x
    x = 4,159,875,694,932,912.50/72,772,801.41
  6. Step 6: Final answer
    x = 57,162,505.97

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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.