Home / 56,067,172.48-77,372,700.94-30,949,288.43

Finding the Fourth Proportional to 56,067,172.48, 77,372,700.94 and 30,949,288.43

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Solution

The fourth proportional to 56,067,172.48, 77,372,700.94 and 30,949,288.43 is: 42,710,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,067,172.48 : 77,372,700.94 = 30,949,288.43 : x
  2. Step 2: Convert to fraction form
    56,067,172.48/77,372,700.94 = 30,949,288.43/x
  3. Step 3: Cross multiply
    56,067,172.48x = 77,372,700.94 × 30,949,288.43
  4. Step 4: Simplify right side
    56,067,172.48x = 2,394,630,037,622,999.50
  5. Step 5: Solve for x
    x = 2,394,630,037,622,999.50/56,067,172.48
  6. Step 6: Final answer
    x = 42,710,019.63

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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.