Home / 52,113,998.80-78,170,998.20-43,753,243.60

Finding the Fourth Proportional to 52,113,998.80, 78,170,998.20 and 43,753,243.60

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Solution

The fourth proportional to 52,113,998.80, 78,170,998.20 and 43,753,243.60 is: 65,629,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,113,998.80 : 78,170,998.20 = 43,753,243.60 : x
  2. Step 2: Convert to fraction form
    52,113,998.80/78,170,998.20 = 43,753,243.60/x
  3. Step 3: Cross multiply
    52,113,998.80x = 78,170,998.20 × 43,753,243.60
  4. Step 4: Simplify right side
    52,113,998.80x = 3,420,234,726,699,762
  5. Step 5: Solve for x
    x = 3,420,234,726,699,762/52,113,998.80
  6. Step 6: Final answer
    x = 65,629,865.40

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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.