Home / 48,108,309.31-66,399,111.66-28,540,059.31

Finding the Fourth Proportional to 48,108,309.31, 66,399,111.66 and 28,540,059.31

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Solution

The fourth proportional to 48,108,309.31, 66,399,111.66 and 28,540,059.31 is: 39,391,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,108,309.31 : 66,399,111.66 = 28,540,059.31 : x
  2. Step 2: Convert to fraction form
    48,108,309.31/66,399,111.66 = 28,540,059.31/x
  3. Step 3: Cross multiply
    48,108,309.31x = 66,399,111.66 × 28,540,059.31
  4. Step 4: Simplify right side
    48,108,309.31x = 1,895,034,584,907,712.25
  5. Step 5: Solve for x
    x = 1,895,034,584,907,712.25/48,108,309.31
  6. Step 6: Final answer
    x = 39,391,003.59

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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.