Home / 39,968,748.75-59,862,321.42-31,278,691.95

Finding the Fourth Proportional to 39,968,748.75, 59,862,321.42 and 31,278,691.95

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Solution

The fourth proportional to 39,968,748.75, 59,862,321.42 and 31,278,691.95 is: 46,846,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968,748.75 : 59,862,321.42 = 31,278,691.95 : x
  2. Step 2: Convert to fraction form
    39,968,748.75/59,862,321.42 = 31,278,691.95/x
  3. Step 3: Cross multiply
    39,968,748.75x = 59,862,321.42 × 31,278,691.95
  4. Step 4: Simplify right side
    39,968,748.75x = 1,872,415,111,108,066.50
  5. Step 5: Solve for x
    x = 1,872,415,111,108,066.50/39,968,748.75
  6. Step 6: Final answer
    x = 46,846,978.44

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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.