Home / 76,734,188.80-115,003,305.60-31,244,588.80

Finding the Fourth Proportional to 76,734,188.80, 115,003,305.60 and 31,244,588.80

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Solution

The fourth proportional to 76,734,188.80, 115,003,305.60 and 31,244,588.80 is: 46,826,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,734,188.80 : 115,003,305.60 = 31,244,588.80 : x
  2. Step 2: Convert to fraction form
    76,734,188.80/115,003,305.60 = 31,244,588.80/x
  3. Step 3: Cross multiply
    76,734,188.80x = 115,003,305.60 × 31,244,588.80
  4. Step 4: Simplify right side
    76,734,188.80x = 3,593,230,994,112,737
  5. Step 5: Solve for x
    x = 3,593,230,994,112,737/76,734,188.80
  6. Step 6: Final answer
    x = 46,826,988.73

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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.