Home / 275,078,077.77-412,529,576.45-90,811,244.58

Finding the Fourth Proportional to 275,078,077.77, 412,529,576.45 and 90,811,244.58

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Solution

The fourth proportional to 275,078,077.77, 412,529,576.45 and 90,811,244.58 is: 136,187,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,078,077.77 : 412,529,576.45 = 90,811,244.58 : x
  2. Step 2: Convert to fraction form
    275,078,077.77/412,529,576.45 = 90,811,244.58/x
  3. Step 3: Cross multiply
    275,078,077.77x = 412,529,576.45 × 90,811,244.58
  4. Step 4: Simplify right side
    275,078,077.77x = 37,462,324,263,030,704
  5. Step 5: Solve for x
    x = 37,462,324,263,030,704/275,078,077.77
  6. Step 6: Final answer
    x = 136,187,967.31

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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.