Home / 275,078,078.77-412,529,577.94-90,811,245.58

Finding the Fourth Proportional to 275,078,078.77, 412,529,577.94 and 90,811,245.58

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Solution

The fourth proportional to 275,078,078.77, 412,529,577.94 and 90,811,245.58 is: 136,187,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,078,078.77 : 412,529,577.94 = 90,811,245.58 : x
  2. Step 2: Convert to fraction form
    275,078,078.77/412,529,577.94 = 90,811,245.58/x
  3. Step 3: Cross multiply
    275,078,078.77x = 412,529,577.94 × 90,811,245.58
  4. Step 4: Simplify right side
    275,078,078.77x = 37,462,324,811,323,088
  5. Step 5: Solve for x
    x = 37,462,324,811,323,088/275,078,078.77
  6. Step 6: Final answer
    x = 136,187,968.81

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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.