Home / 245,728,906.62-339,103,875.87-134,219,818.54

Finding the Fourth Proportional to 245,728,906.62, 339,103,875.87 and 134,219,818.54

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Solution

The fourth proportional to 245,728,906.62, 339,103,875.87 and 134,219,818.54 is: 185,222,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,728,906.62 : 339,103,875.87 = 134,219,818.54 : x
  2. Step 2: Convert to fraction form
    245,728,906.62/339,103,875.87 = 134,219,818.54/x
  3. Step 3: Cross multiply
    245,728,906.62x = 339,103,875.87 × 134,219,818.54
  4. Step 4: Simplify right side
    245,728,906.62x = 45,514,460,684,810,984
  5. Step 5: Solve for x
    x = 45,514,460,684,810,984/245,728,906.62
  6. Step 6: Final answer
    x = 185,222,248.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.