Home / 47,987,014.59-66,229,998.71-29,412,486.90

Finding the Fourth Proportional to 47,987,014.59, 66,229,998.71 and 29,412,486.90

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Solution

The fourth proportional to 47,987,014.59, 66,229,998.71 and 29,412,486.90 is: 40,594,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,987,014.59 : 66,229,998.71 = 29,412,486.90 : x
  2. Step 2: Convert to fraction form
    47,987,014.59/66,229,998.71 = 29,412,486.90/x
  3. Step 3: Cross multiply
    47,987,014.59x = 66,229,998.71 × 29,412,486.90
  4. Step 4: Simplify right side
    47,987,014.59x = 1,947,988,969,297,829.25
  5. Step 5: Solve for x
    x = 1,947,988,969,297,829.25/47,987,014.59
  6. Step 6: Final answer
    x = 40,594,085.42

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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.