Home / 188,989,625.79-260,806,798.31-109,651,927.49

Finding the Fourth Proportional to 188,989,625.79, 260,806,798.31 and 109,651,927.49

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Solution

The fourth proportional to 188,989,625.79, 260,806,798.31 and 109,651,927.49 is: 151,320,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,989,625.79 : 260,806,798.31 = 109,651,927.49 : x
  2. Step 2: Convert to fraction form
    188,989,625.79/260,806,798.31 = 109,651,927.49/x
  3. Step 3: Cross multiply
    188,989,625.79x = 260,806,798.31 × 109,651,927.49
  4. Step 4: Simplify right side
    188,989,625.79x = 28,597,968,135,334,880
  5. Step 5: Solve for x
    x = 28,597,968,135,334,880/188,989,625.79
  6. Step 6: Final answer
    x = 151,320,306.69

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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.