Home / 328,058,934.26-491,936,933.55-120,745,271.54

Finding the Fourth Proportional to 328,058,934.26, 491,936,933.55 and 120,745,271.54

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Solution

The fourth proportional to 328,058,934.26, 491,936,933.55 and 120,745,271.54 is: 181,062,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,058,934.26 : 491,936,933.55 = 120,745,271.54 : x
  2. Step 2: Convert to fraction form
    328,058,934.26/491,936,933.55 = 120,745,271.54/x
  3. Step 3: Cross multiply
    328,058,934.26x = 491,936,933.55 × 120,745,271.54
  4. Step 4: Simplify right side
    328,058,934.26x = 59,399,058,622,049,688
  5. Step 5: Solve for x
    x = 59,399,058,622,049,688/328,058,934.26
  6. Step 6: Final answer
    x = 181,062,158.10

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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.