Home / 66,126,061.88-91,261,347.36-40,034,957.48

Finding the Fourth Proportional to 66,126,061.88, 91,261,347.36 and 40,034,957.48

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Solution

The fourth proportional to 66,126,061.88, 91,261,347.36 and 40,034,957.48 is: 55,252,710.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126,061.88 : 91,261,347.36 = 40,034,957.48 : x
  2. Step 2: Convert to fraction form
    66,126,061.88/91,261,347.36 = 40,034,957.48/x
  3. Step 3: Cross multiply
    66,126,061.88x = 91,261,347.36 × 40,034,957.48
  4. Step 4: Simplify right side
    66,126,061.88x = 3,653,644,161,125,110
  5. Step 5: Solve for x
    x = 3,653,644,161,125,110/66,126,061.88
  6. Step 6: Final answer
    x = 55,252,710.61

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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.