Home / 129,945,333.75-179,333,358.77-73,410,471.61

Finding the Fourth Proportional to 129,945,333.75, 179,333,358.77 and 73,410,471.61

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Solution

The fourth proportional to 129,945,333.75, 179,333,358.77 and 73,410,471.61 is: 101,311,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,945,333.75 : 179,333,358.77 = 73,410,471.61 : x
  2. Step 2: Convert to fraction form
    129,945,333.75/179,333,358.77 = 73,410,471.61/x
  3. Step 3: Cross multiply
    129,945,333.75x = 179,333,358.77 × 73,410,471.61
  4. Step 4: Simplify right side
    129,945,333.75x = 13,164,946,441,814,364
  5. Step 5: Solve for x
    x = 13,164,946,441,814,364/129,945,333.75
  6. Step 6: Final answer
    x = 101,311,421.21

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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.