Home / 327,456,085.20-491,184,127.80-133,267,543.80

Finding the Fourth Proportional to 327,456,085.20, 491,184,127.80 and 133,267,543.80

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Solution

The fourth proportional to 327,456,085.20, 491,184,127.80 and 133,267,543.80 is: 199,901,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,456,085.20 : 491,184,127.80 = 133,267,543.80 : x
  2. Step 2: Convert to fraction form
    327,456,085.20/491,184,127.80 = 133,267,543.80/x
  3. Step 3: Cross multiply
    327,456,085.20x = 491,184,127.80 × 133,267,543.80
  4. Step 4: Simplify right side
    327,456,085.20x = 65,458,902,265,451,296
  5. Step 5: Solve for x
    x = 65,458,902,265,451,296/327,456,085.20
  6. Step 6: Final answer
    x = 199,901,315.70

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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.