Home / 121,164,203.77-181,682,532.73-82,836,678.85

Finding the Fourth Proportional to 121,164,203.77, 181,682,532.73 and 82,836,678.85

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Solution

The fourth proportional to 121,164,203.77, 181,682,532.73 and 82,836,678.85 is: 124,211,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,164,203.77 : 181,682,532.73 = 82,836,678.85 : x
  2. Step 2: Convert to fraction form
    121,164,203.77/181,682,532.73 = 82,836,678.85/x
  3. Step 3: Cross multiply
    121,164,203.77x = 181,682,532.73 × 82,836,678.85
  4. Step 4: Simplify right side
    121,164,203.77x = 15,049,977,616,058,962
  5. Step 5: Solve for x
    x = 15,049,977,616,058,962/121,164,203.77
  6. Step 6: Final answer
    x = 124,211,418.46

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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.