Home / 216,619,891.11-298,933,680.47-117,500,390.37

Finding the Fourth Proportional to 216,619,891.11, 298,933,680.47 and 117,500,390.37

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Solution

The fourth proportional to 216,619,891.11, 298,933,680.47 and 117,500,390.37 is: 162,149,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,619,891.11 : 298,933,680.47 = 117,500,390.37 : x
  2. Step 2: Convert to fraction form
    216,619,891.11/298,933,680.47 = 117,500,390.37/x
  3. Step 3: Cross multiply
    216,619,891.11x = 298,933,680.47 × 117,500,390.37
  4. Step 4: Simplify right side
    216,619,891.11x = 35,124,824,149,378,340
  5. Step 5: Solve for x
    x = 35,124,824,149,378,340/216,619,891.11
  6. Step 6: Final answer
    x = 162,149,579.01

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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.