Home / 256,018,889.03-353,306,067.30-138,544,219.19

Finding the Fourth Proportional to 256,018,889.03, 353,306,067.30 and 138,544,219.19

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Solution

The fourth proportional to 256,018,889.03, 353,306,067.30 and 138,544,219.19 is: 191,191,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,018,889.03 : 353,306,067.30 = 138,544,219.19 : x
  2. Step 2: Convert to fraction form
    256,018,889.03/353,306,067.30 = 138,544,219.19/x
  3. Step 3: Cross multiply
    256,018,889.03x = 353,306,067.30 × 138,544,219.19
  4. Step 4: Simplify right side
    256,018,889.03x = 48,948,513,230,051,360
  5. Step 5: Solve for x
    x = 48,948,513,230,051,360/256,018,889.03
  6. Step 6: Final answer
    x = 191,191,022.73

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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.