Home / 193,845,811.20-290,768,716.80-186,193,060.80

Finding the Fourth Proportional to 193,845,811.20, 290,768,716.80 and 186,193,060.80

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Solution

The fourth proportional to 193,845,811.20, 290,768,716.80 and 186,193,060.80 is: 279,289,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,845,811.20 : 290,768,716.80 = 186,193,060.80 : x
  2. Step 2: Convert to fraction form
    193,845,811.20/290,768,716.80 = 186,193,060.80/x
  3. Step 3: Cross multiply
    193,845,811.20x = 290,768,716.80 × 186,193,060.80
  4. Step 4: Simplify right side
    193,845,811.20x = 54,139,117,365,880,384
  5. Step 5: Solve for x
    x = 54,139,117,365,880,384/193,845,811.20
  6. Step 6: Final answer
    x = 279,289,591.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.