Home / 56,067,375.13-77,372,993.10-30,949,499.70

Finding the Fourth Proportional to 56,067,375.13, 77,372,993.10 and 30,949,499.70

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Solution

The fourth proportional to 56,067,375.13, 77,372,993.10 and 30,949,499.70 is: 42,710,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,067,375.13 : 77,372,993.10 = 30,949,499.70 : x
  2. Step 2: Convert to fraction form
    56,067,375.13/77,372,993.10 = 30,949,499.70/x
  3. Step 3: Cross multiply
    56,067,375.13x = 77,372,993.10 × 30,949,499.70
  4. Step 4: Simplify right side
    56,067,375.13x = 2,394,655,426,581,804.50
  5. Step 5: Solve for x
    x = 2,394,655,426,581,804.50/56,067,375.13
  6. Step 6: Final answer
    x = 42,710,318.10

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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.