Home / 342,189,016.20-512,905,610.70-188,945,051.40

Finding the Fourth Proportional to 342,189,016.20, 512,905,610.70 and 188,945,051.40

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Solution

The fourth proportional to 342,189,016.20, 512,905,610.70 and 188,945,051.40 is: 283,208,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,189,016.20 : 512,905,610.70 = 188,945,051.40 : x
  2. Step 2: Convert to fraction form
    342,189,016.20/512,905,610.70 = 188,945,051.40/x
  3. Step 3: Cross multiply
    342,189,016.20x = 512,905,610.70 × 188,945,051.40
  4. Step 4: Simplify right side
    342,189,016.20x = 96,910,976,977,059,888
  5. Step 5: Solve for x
    x = 96,910,976,977,059,888/342,189,016.20
  6. Step 6: Final answer
    x = 283,208,906.16

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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.