Home / 77,262,336,940.20-115,893,505,410.30-74,214,841,669.80

Finding the Fourth Proportional to 77,262,336,940.20, 115,893,505,410.30 and 74,214,841,669.80

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Solution

The fourth proportional to 77,262,336,940.20, 115,893,505,410.30 and 74,214,841,669.80 is: 111,322,262,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,336,940.20 : 115,893,505,410.30 = 74,214,841,669.80 : x
  2. Step 2: Convert to fraction form
    77,262,336,940.20/115,893,505,410.30 = 74,214,841,669.80/x
  3. Step 3: Cross multiply
    77,262,336,940.20x = 115,893,505,410.30 × 74,214,841,669.80
  4. Step 4: Simplify right side
    77,262,336,940.20x = 8,601,018,154,583,524,900,864
  5. Step 5: Solve for x
    x = 8,601,018,154,583,524,900,864/77,262,336,940.20
  6. Step 6: Final answer
    x = 111,322,262,504.70

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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.