Home / 56,381,015.82-77,807,940.56-31,601,660.66

Finding the Fourth Proportional to 56,381,015.82, 77,807,940.56 and 31,601,660.66

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Solution

The fourth proportional to 56,381,015.82, 77,807,940.56 and 31,601,660.66 is: 43,611,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,381,015.82 : 77,807,940.56 = 31,601,660.66 : x
  2. Step 2: Convert to fraction form
    56,381,015.82/77,807,940.56 = 31,601,660.66/x
  3. Step 3: Cross multiply
    56,381,015.82x = 77,807,940.56 × 31,601,660.66
  4. Step 4: Simplify right side
    56,381,015.82x = 2,458,860,134,094,027.50
  5. Step 5: Solve for x
    x = 2,458,860,134,094,027.50/56,381,015.82
  6. Step 6: Final answer
    x = 43,611,490.47

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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.