Home / 240,027,297.72-331,239,261.10-130,019,009.72

Finding the Fourth Proportional to 240,027,297.72, 331,239,261.10 and 130,019,009.72

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Solution

The fourth proportional to 240,027,297.72, 331,239,261.10 and 130,019,009.72 is: 179,427,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,027,297.72 : 331,239,261.10 = 130,019,009.72 : x
  2. Step 2: Convert to fraction form
    240,027,297.72/331,239,261.10 = 130,019,009.72/x
  3. Step 3: Cross multiply
    240,027,297.72x = 331,239,261.10 × 130,019,009.72
  4. Step 4: Simplify right side
    240,027,297.72x = 43,067,400,708,606,520
  5. Step 5: Solve for x
    x = 43,067,400,708,606,520/240,027,297.72
  6. Step 6: Final answer
    x = 179,427,094.83

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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.