Home / 342,189,023.20-512,905,621.20-188,945,058.40

Finding the Fourth Proportional to 342,189,023.20, 512,905,621.20 and 188,945,058.40

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Solution

The fourth proportional to 342,189,023.20, 512,905,621.20 and 188,945,058.40 is: 283,208,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,189,023.20 : 512,905,621.20 = 188,945,058.40 : x
  2. Step 2: Convert to fraction form
    342,189,023.20/512,905,621.20 = 188,945,058.40/x
  3. Step 3: Cross multiply
    342,189,023.20x = 512,905,621.20 × 188,945,058.40
  4. Step 4: Simplify right side
    342,189,023.20x = 96,910,982,551,322,272
  5. Step 5: Solve for x
    x = 96,910,982,551,322,272/342,189,023.20
  6. Step 6: Final answer
    x = 283,208,916.65

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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.