Home / 149,025,795.87-205,651,839.51-82,044,085.30

Finding the Fourth Proportional to 149,025,795.87, 205,651,839.51 and 82,044,085.30

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Solution

The fourth proportional to 149,025,795.87, 205,651,839.51 and 82,044,085.30 is: 113,218,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,025,795.87 : 205,651,839.51 = 82,044,085.30 : x
  2. Step 2: Convert to fraction form
    149,025,795.87/205,651,839.51 = 82,044,085.30/x
  3. Step 3: Cross multiply
    149,025,795.87x = 205,651,839.51 × 82,044,085.30
  4. Step 4: Simplify right side
    149,025,795.87x = 16,872,517,062,860,348
  5. Step 5: Solve for x
    x = 16,872,517,062,860,348/149,025,795.87
  6. Step 6: Final answer
    x = 113,218,768.36

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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.