Home / 256,025,906.20-353,316,629.96-138,551,205.26

Finding the Fourth Proportional to 256,025,906.20, 353,316,629.96 and 138,551,205.26

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Solution

The fourth proportional to 256,025,906.20, 353,316,629.96 and 138,551,205.26 is: 191,201,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,025,906.20 : 353,316,629.96 = 138,551,205.26 : x
  2. Step 2: Convert to fraction form
    256,025,906.20/353,316,629.96 = 138,551,205.26/x
  3. Step 3: Cross multiply
    256,025,906.20x = 353,316,629.96 × 138,551,205.26
  4. Step 4: Simplify right side
    256,025,906.20x = 48,952,444,919,359,416
  5. Step 5: Solve for x
    x = 48,952,444,919,359,416/256,025,906.20
  6. Step 6: Final answer
    x = 191,201,139.16

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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.