Home / 252,227,556.10-378,341,334.15-115,912,939.60

Finding the Fourth Proportional to 252,227,556.10, 378,341,334.15 and 115,912,939.60

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Solution

The fourth proportional to 252,227,556.10, 378,341,334.15 and 115,912,939.60 is: 173,869,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,227,556.10 : 378,341,334.15 = 115,912,939.60 : x
  2. Step 2: Convert to fraction form
    252,227,556.10/378,341,334.15 = 115,912,939.60/x
  3. Step 3: Cross multiply
    252,227,556.10x = 378,341,334.15 × 115,912,939.60
  4. Step 4: Simplify right side
    252,227,556.10x = 43,854,656,213,512,360
  5. Step 5: Solve for x
    x = 43,854,656,213,512,360/252,227,556.10
  6. Step 6: Final answer
    x = 173,869,409.40

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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.