Home / 256,608,250.20-384,576,452.10-103,128,672.60

Finding the Fourth Proportional to 256,608,250.20, 384,576,452.10 and 103,128,672.60

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Solution

The fourth proportional to 256,608,250.20, 384,576,452.10 and 103,128,672.60 is: 154,558,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608,250.20 : 384,576,452.10 = 103,128,672.60 : x
  2. Step 2: Convert to fraction form
    256,608,250.20/384,576,452.10 = 103,128,672.60/x
  3. Step 3: Cross multiply
    256,608,250.20x = 384,576,452.10 × 103,128,672.60
  4. Step 4: Simplify right side
    256,608,250.20x = 39,660,859,018,290,480
  5. Step 5: Solve for x
    x = 39,660,859,018,290,480/256,608,250.20
  6. Step 6: Final answer
    x = 154,558,004.22

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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.