Home / 72,775,009.90-109,135,942.80-24,254,446.60

Finding the Fourth Proportional to 72,775,009.90, 109,135,942.80 and 24,254,446.60

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Solution

The fourth proportional to 72,775,009.90, 109,135,942.80 and 24,254,446.60 is: 36,372,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,775,009.90 : 109,135,942.80 = 24,254,446.60 : x
  2. Step 2: Convert to fraction form
    72,775,009.90/109,135,942.80 = 24,254,446.60/x
  3. Step 3: Cross multiply
    72,775,009.90x = 109,135,942.80 × 24,254,446.60
  4. Step 4: Simplify right side
    72,775,009.90x = 2,647,031,896,783,254.50
  5. Step 5: Solve for x
    x = 2,647,031,896,783,254.50/72,775,009.90
  6. Step 6: Final answer
    x = 36,372,813.97

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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.