Home / 121,535,003,233.69-182,285,955,964.99-31,990,498,137.75

Finding the Fourth Proportional to 121,535,003,233.69, 182,285,955,964.99 and 31,990,498,137.75

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Solution

The fourth proportional to 121,535,003,233.69, 182,285,955,964.99 and 31,990,498,137.75 is: 47,981,391,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,535,003,233.69 : 182,285,955,964.99 = 31,990,498,137.75 : x
  2. Step 2: Convert to fraction form
    121,535,003,233.69/182,285,955,964.99 = 31,990,498,137.75/x
  3. Step 3: Cross multiply
    121,535,003,233.69x = 182,285,955,964.99 × 31,990,498,137.75
  4. Step 4: Simplify right side
    121,535,003,233.69x = 5,831,418,534,836,537,655,296
  5. Step 5: Solve for x
    x = 5,831,418,534,836,537,655,296/121,535,003,233.69
  6. Step 6: Final answer
    x = 47,981,391,201.54

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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.