Home / 101,498,755.07-139,529,796.74-87,318,193.61

Finding the Fourth Proportional to 101,498,755.07, 139,529,796.74 and 87,318,193.61

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Solution

The fourth proportional to 101,498,755.07, 139,529,796.74 and 87,318,193.61 is: 120,035,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,498,755.07 : 139,529,796.74 = 87,318,193.61 : x
  2. Step 2: Convert to fraction form
    101,498,755.07/139,529,796.74 = 87,318,193.61/x
  3. Step 3: Cross multiply
    101,498,755.07x = 139,529,796.74 × 87,318,193.61
  4. Step 4: Simplify right side
    101,498,755.07x = 12,183,489,804,973,028
  5. Step 5: Solve for x
    x = 12,183,489,804,973,028/101,498,755.07
  6. Step 6: Final answer
    x = 120,035,854.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.