Home / 70,591,232.96-105,561,778.08-67,147,493.12

Finding the Fourth Proportional to 70,591,232.96, 105,561,778.08 and 67,147,493.12

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Solution

The fourth proportional to 70,591,232.96, 105,561,778.08 and 67,147,493.12 is: 100,412,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,591,232.96 : 105,561,778.08 = 67,147,493.12 : x
  2. Step 2: Convert to fraction form
    70,591,232.96/105,561,778.08 = 67,147,493.12/x
  3. Step 3: Cross multiply
    70,591,232.96x = 105,561,778.08 × 67,147,493.12
  4. Step 4: Simplify right side
    70,591,232.96x = 7,088,208,767,361,767
  5. Step 5: Solve for x
    x = 7,088,208,767,361,767/70,591,232.96
  6. Step 6: Final answer
    x = 100,412,026.68

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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.