Home / 56,493,887.40-77,961,251.22-31,714,067.70

Finding the Fourth Proportional to 56,493,887.40, 77,961,251.22 and 31,714,067.70

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Solution

The fourth proportional to 56,493,887.40, 77,961,251.22 and 31,714,067.70 is: 43,765,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,493,887.40 : 77,961,251.22 = 31,714,067.70 : x
  2. Step 2: Convert to fraction form
    56,493,887.40/77,961,251.22 = 31,714,067.70/x
  3. Step 3: Cross multiply
    56,493,887.40x = 77,961,251.22 × 31,714,067.70
  4. Step 4: Simplify right side
    56,493,887.40x = 2,472,468,399,167,787.50
  5. Step 5: Solve for x
    x = 2,472,468,399,167,787.50/56,493,887.40
  6. Step 6: Final answer
    x = 43,765,237.50

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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.