Home / 275,562,002.40-413,343,003.60-81,456,129.60

Finding the Fourth Proportional to 275,562,002.40, 413,343,003.60 and 81,456,129.60

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Solution

The fourth proportional to 275,562,002.40, 413,343,003.60 and 81,456,129.60 is: 122,184,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,562,002.40 : 413,343,003.60 = 81,456,129.60 : x
  2. Step 2: Convert to fraction form
    275,562,002.40/413,343,003.60 = 81,456,129.60/x
  3. Step 3: Cross multiply
    275,562,002.40x = 413,343,003.60 × 81,456,129.60
  4. Step 4: Simplify right side
    275,562,002.40x = 33,669,321,270,494,868
  5. Step 5: Solve for x
    x = 33,669,321,270,494,868/275,562,002.40
  6. Step 6: Final answer
    x = 122,184,194.40

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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.