Home / 113,122,685.92-169,682,944.60-67,031,376.88

Finding the Fourth Proportional to 113,122,685.92, 169,682,944.60 and 67,031,376.88

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Solution

The fourth proportional to 113,122,685.92, 169,682,944.60 and 67,031,376.88 is: 100,546,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,122,685.92 : 169,682,944.60 = 67,031,376.88 : x
  2. Step 2: Convert to fraction form
    113,122,685.92/169,682,944.60 = 67,031,376.88/x
  3. Step 3: Cross multiply
    113,122,685.92x = 169,682,944.60 × 67,031,376.88
  4. Step 4: Simplify right side
    113,122,685.92x = 11,374,081,409,590,760
  5. Step 5: Solve for x
    x = 11,374,081,409,590,760/113,122,685.92
  6. Step 6: Final answer
    x = 100,546,422.82

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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.