Home / 74,005,505,322.72-102,127,312,847.20-40,172,504,485.52

Finding the Fourth Proportional to 74,005,505,322.72, 102,127,312,847.20 and 40,172,504,485.52

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Solution

The fourth proportional to 74,005,505,322.72, 102,127,312,847.20 and 40,172,504,485.52 is: 55,437,901,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,005,505,322.72 : 102,127,312,847.20 = 40,172,504,485.52 : x
  2. Step 2: Convert to fraction form
    74,005,505,322.72/102,127,312,847.20 = 40,172,504,485.52/x
  3. Step 3: Cross multiply
    74,005,505,322.72x = 102,127,312,847.20 × 40,172,504,485.52
  4. Step 4: Simplify right side
    74,005,505,322.72x = 4,102,709,933,448,246,067,200
  5. Step 5: Solve for x
    x = 4,102,709,933,448,246,067,200/74,005,505,322.72
  6. Step 6: Final answer
    x = 55,437,901,755.52

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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.