Home / 67,065,940.78-92,537,418-39,183,261.46

Finding the Fourth Proportional to 67,065,940.78, 92,537,418 and 39,183,261.46

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Solution

The fourth proportional to 67,065,940.78, 92,537,418 and 39,183,261.46 is: 54,064,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,065,940.78 : 92,537,418 = 39,183,261.46 : x
  2. Step 2: Convert to fraction form
    67,065,940.78/92,537,418 = 39,183,261.46/x
  3. Step 3: Cross multiply
    67,065,940.78x = 92,537,418 × 39,183,261.46
  4. Step 4: Simplify right side
    67,065,940.78x = 3,625,917,844,327,310.50
  5. Step 5: Solve for x
    x = 3,625,917,844,327,310.50/67,065,940.78
  6. Step 6: Final answer
    x = 54,064,966.54

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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.