Home / 66,651,963.75-91,942,670.77-38,771,537.36

Finding the Fourth Proportional to 66,651,963.75, 91,942,670.77 and 38,771,537.36

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Solution

The fourth proportional to 66,651,963.75, 91,942,670.77 and 38,771,537.36 is: 53,483,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,651,963.75 : 91,942,670.77 = 38,771,537.36 : x
  2. Step 2: Convert to fraction form
    66,651,963.75/91,942,670.77 = 38,771,537.36/x
  3. Step 3: Cross multiply
    66,651,963.75x = 91,942,670.77 × 38,771,537.36
  4. Step 4: Simplify right side
    66,651,963.75x = 3,564,758,694,180,592.50
  5. Step 5: Solve for x
    x = 3,564,758,694,180,592.50/66,651,963.75
  6. Step 6: Final answer
    x = 53,483,175.79

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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.