Home / 201,002,256.30-301,374,343.88-78,049,561.24

Finding the Fourth Proportional to 201,002,256.30, 301,374,343.88 and 78,049,561.24

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Solution

The fourth proportional to 201,002,256.30, 301,374,343.88 and 78,049,561.24 is: 117,024,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,002,256.30 : 301,374,343.88 = 78,049,561.24 : x
  2. Step 2: Convert to fraction form
    201,002,256.30/301,374,343.88 = 78,049,561.24/x
  3. Step 3: Cross multiply
    201,002,256.30x = 301,374,343.88 × 78,049,561.24
  4. Step 4: Simplify right side
    201,002,256.30x = 23,522,135,308,826,876
  5. Step 5: Solve for x
    x = 23,522,135,308,826,876/201,002,256.30
  6. Step 6: Final answer
    x = 117,024,235.16

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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.