Home / 63,929,944.80-95,904,248.40-20,791,807.20

Finding the Fourth Proportional to 63,929,944.80, 95,904,248.40 and 20,791,807.20

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Solution

The fourth proportional to 63,929,944.80, 95,904,248.40 and 20,791,807.20 is: 31,190,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,929,944.80 : 95,904,248.40 = 20,791,807.20 : x
  2. Step 2: Convert to fraction form
    63,929,944.80/95,904,248.40 = 20,791,807.20/x
  3. Step 3: Cross multiply
    63,929,944.80x = 95,904,248.40 × 20,791,807.20
  4. Step 4: Simplify right side
    63,929,944.80x = 1,994,022,642,393,708.50
  5. Step 5: Solve for x
    x = 1,994,022,642,393,708.50/63,929,944.80
  6. Step 6: Final answer
    x = 31,190,745.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.