Home / 76,287,128.04-105,275,504.88-41,479,825.66

Finding the Fourth Proportional to 76,287,128.04, 105,275,504.88 and 41,479,825.66

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Solution

The fourth proportional to 76,287,128.04, 105,275,504.88 and 41,479,825.66 is: 57,241,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,287,128.04 : 105,275,504.88 = 41,479,825.66 : x
  2. Step 2: Convert to fraction form
    76,287,128.04/105,275,504.88 = 41,479,825.66/x
  3. Step 3: Cross multiply
    76,287,128.04x = 105,275,504.88 × 41,479,825.66
  4. Step 4: Simplify right side
    76,287,128.04x = 4,366,809,588,427,690
  5. Step 5: Solve for x
    x = 4,366,809,588,427,690/76,287,128.04
  6. Step 6: Final answer
    x = 57,241,761.50

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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.