Home / 76,734,200.80-115,003,323.60-31,244,600.80

Finding the Fourth Proportional to 76,734,200.80, 115,003,323.60 and 31,244,600.80

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Solution

The fourth proportional to 76,734,200.80, 115,003,323.60 and 31,244,600.80 is: 46,827,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,734,200.80 : 115,003,323.60 = 31,244,600.80 : x
  2. Step 2: Convert to fraction form
    76,734,200.80/115,003,323.60 = 31,244,600.80/x
  3. Step 3: Cross multiply
    76,734,200.80x = 115,003,323.60 × 31,244,600.80
  4. Step 4: Simplify right side
    76,734,200.80x = 3,593,232,936,555,219
  5. Step 5: Solve for x
    x = 3,593,232,936,555,219/76,734,200.80
  6. Step 6: Final answer
    x = 46,827,006.72

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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.