Home / 122,318,849.21-168,800,039.73-67,314,705.71

Finding the Fourth Proportional to 122,318,849.21, 168,800,039.73 and 67,314,705.71

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Solution

The fourth proportional to 122,318,849.21, 168,800,039.73 and 67,314,705.71 is: 92,894,309.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,318,849.21 : 168,800,039.73 = 67,314,705.71 : x
  2. Step 2: Convert to fraction form
    122,318,849.21/168,800,039.73 = 67,314,705.71/x
  3. Step 3: Cross multiply
    122,318,849.21x = 168,800,039.73 × 67,314,705.71
  4. Step 4: Simplify right side
    122,318,849.21x = 11,362,724,998,261,256
  5. Step 5: Solve for x
    x = 11,362,724,998,261,256/122,318,849.21
  6. Step 6: Final answer
    x = 92,894,309.19

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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.