Home / 49,378,231.20-74,067,346.80-46,018,999.20

Finding the Fourth Proportional to 49,378,231.20, 74,067,346.80 and 46,018,999.20

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Solution

The fourth proportional to 49,378,231.20, 74,067,346.80 and 46,018,999.20 is: 69,028,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,378,231.20 : 74,067,346.80 = 46,018,999.20 : x
  2. Step 2: Convert to fraction form
    49,378,231.20/74,067,346.80 = 46,018,999.20/x
  3. Step 3: Cross multiply
    49,378,231.20x = 74,067,346.80 × 46,018,999.20
  4. Step 4: Simplify right side
    49,378,231.20x = 3,408,505,173,135,322.50
  5. Step 5: Solve for x
    x = 3,408,505,173,135,322.50/49,378,231.20
  6. Step 6: Final answer
    x = 69,028,498.80

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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.