Home / 216,720,822.99-299,073,218.83-117,599,049.66

Finding the Fourth Proportional to 216,720,822.99, 299,073,218.83 and 117,599,049.66

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Solution

The fourth proportional to 216,720,822.99, 299,073,218.83 and 117,599,049.66 is: 162,285,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,720,822.99 : 299,073,218.83 = 117,599,049.66 : x
  2. Step 2: Convert to fraction form
    216,720,822.99/299,073,218.83 = 117,599,049.66/x
  3. Step 3: Cross multiply
    216,720,822.99x = 299,073,218.83 × 117,599,049.66
  4. Step 4: Simplify right side
    216,720,822.99x = 35,170,726,313,165,216
  5. Step 5: Solve for x
    x = 35,170,726,313,165,216/216,720,822.99
  6. Step 6: Final answer
    x = 162,285,865.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.