Home / 66,777,729.39-92,239,710.80-55,221,971.31

Finding the Fourth Proportional to 66,777,729.39, 92,239,710.80 and 55,221,971.31

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Solution

The fourth proportional to 66,777,729.39, 92,239,710.80 and 55,221,971.31 is: 76,277,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,777,729.39 : 92,239,710.80 = 55,221,971.31 : x
  2. Step 2: Convert to fraction form
    66,777,729.39/92,239,710.80 = 55,221,971.31/x
  3. Step 3: Cross multiply
    66,777,729.39x = 92,239,710.80 × 55,221,971.31
  4. Step 4: Simplify right side
    66,777,729.39x = 5,093,658,663,164,188
  5. Step 5: Solve for x
    x = 5,093,658,663,164,188/66,777,729.39
  6. Step 6: Final answer
    x = 76,277,805.64

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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.