Home / 119,228,694.99-178,660,504.86-80,222,669.35

Finding the Fourth Proportional to 119,228,694.99, 178,660,504.86 and 80,222,669.35

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Solution

The fourth proportional to 119,228,694.99, 178,660,504.86 and 80,222,669.35 is: 120,211,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,228,694.99 : 178,660,504.86 = 80,222,669.35 : x
  2. Step 2: Convert to fraction form
    119,228,694.99/178,660,504.86 = 80,222,669.35/x
  3. Step 3: Cross multiply
    119,228,694.99x = 178,660,504.86 × 80,222,669.35
  4. Step 4: Simplify right side
    119,228,694.99x = 14,332,622,607,287,848
  5. Step 5: Solve for x
    x = 14,332,622,607,287,848/119,228,694.99
  6. Step 6: Final answer
    x = 120,211,184.13

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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.