Home / 122,435,722.96-168,953,546.49-67,431,579.46

Finding the Fourth Proportional to 122,435,722.96, 168,953,546.49 and 67,431,579.46

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Solution

The fourth proportional to 122,435,722.96, 168,953,546.49 and 67,431,579.46 is: 93,051,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,435,722.96 : 168,953,546.49 = 67,431,579.46 : x
  2. Step 2: Convert to fraction form
    122,435,722.96/168,953,546.49 = 67,431,579.46/x
  3. Step 3: Cross multiply
    122,435,722.96x = 168,953,546.49 × 67,431,579.46
  4. Step 4: Simplify right side
    122,435,722.96x = 11,392,804,495,189,238
  5. Step 5: Solve for x
    x = 11,392,804,495,189,238/122,435,722.96
  6. Step 6: Final answer
    x = 93,051,310.68

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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.