Home / 252,307,697.40-378,532,404.90-122,919,528.60

Finding the Fourth Proportional to 252,307,697.40, 378,532,404.90 and 122,919,528.60

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Solution

The fourth proportional to 252,307,697.40, 378,532,404.90 and 122,919,528.60 is: 184,413,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,307,697.40 : 378,532,404.90 = 122,919,528.60 : x
  2. Step 2: Convert to fraction form
    252,307,697.40/378,532,404.90 = 122,919,528.60/x
  3. Step 3: Cross multiply
    252,307,697.40x = 378,532,404.90 × 122,919,528.60
  4. Step 4: Simplify right side
    252,307,697.40x = 46,529,024,770,132,328
  5. Step 5: Solve for x
    x = 46,529,024,770,132,328/252,307,697.40
  6. Step 6: Final answer
    x = 184,413,813.96

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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.