Home / 256,770,504.92-385,404,818.14-123,916,855.58

Finding the Fourth Proportional to 256,770,504.92, 385,404,818.14 and 123,916,855.58

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Solution

The fourth proportional to 256,770,504.92, 385,404,818.14 and 123,916,855.58 is: 185,995,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,770,504.92 : 385,404,818.14 = 123,916,855.58 : x
  2. Step 2: Convert to fraction form
    256,770,504.92/385,404,818.14 = 123,916,855.58/x
  3. Step 3: Cross multiply
    256,770,504.92x = 385,404,818.14 × 123,916,855.58
  4. Step 4: Simplify right side
    256,770,504.92x = 47,758,153,189,944,264
  5. Step 5: Solve for x
    x = 47,758,153,189,944,264/256,770,504.92
  6. Step 6: Final answer
    x = 185,995,479.52

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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.