Home / 256,572,755.64-354,108,739.50-201,979,429.56

Finding the Fourth Proportional to 256,572,755.64, 354,108,739.50 and 201,979,429.56

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Solution

The fourth proportional to 256,572,755.64, 354,108,739.50 and 201,979,429.56 is: 278,761,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,572,755.64 : 354,108,739.50 = 201,979,429.56 : x
  2. Step 2: Convert to fraction form
    256,572,755.64/354,108,739.50 = 201,979,429.56/x
  3. Step 3: Cross multiply
    256,572,755.64x = 354,108,739.50 × 201,979,429.56
  4. Step 4: Simplify right side
    256,572,755.64x = 71,522,681,206,420,640
  5. Step 5: Solve for x
    x = 71,522,681,206,420,640/256,572,755.64
  6. Step 6: Final answer
    x = 278,761,792.26

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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.