Home / 77,262,337,149.70-115,893,505,724.55-74,214,841,879.30

Finding the Fourth Proportional to 77,262,337,149.70, 115,893,505,724.55 and 74,214,841,879.30

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Solution

The fourth proportional to 77,262,337,149.70, 115,893,505,724.55 and 74,214,841,879.30 is: 111,322,262,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,149.70 : 115,893,505,724.55 = 74,214,841,879.30 : x
  2. Step 2: Convert to fraction form
    77,262,337,149.70/115,893,505,724.55 = 74,214,841,879.30/x
  3. Step 3: Cross multiply
    77,262,337,149.70x = 115,893,505,724.55 × 74,214,841,879.30
  4. Step 4: Simplify right side
    77,262,337,149.70x = 8,601,018,202,185,228,353,536
  5. Step 5: Solve for x
    x = 8,601,018,202,185,228,353,536/77,262,337,149.70
  6. Step 6: Final answer
    x = 111,322,262,818.95

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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.