Home / 216,660,579.52-298,992,179.28-117,541,326.64

Finding the Fourth Proportional to 216,660,579.52, 298,992,179.28 and 117,541,326.64

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Solution

The fourth proportional to 216,660,579.52, 298,992,179.28 and 117,541,326.64 is: 162,207,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,660,579.52 : 298,992,179.28 = 117,541,326.64 : x
  2. Step 2: Convert to fraction form
    216,660,579.52/298,992,179.28 = 117,541,326.64/x
  3. Step 3: Cross multiply
    216,660,579.52x = 298,992,179.28 × 117,541,326.64
  4. Step 4: Simplify right side
    216,660,579.52x = 35,143,937,407,555,916
  5. Step 5: Solve for x
    x = 35,143,937,407,555,916/216,660,579.52
  6. Step 6: Final answer
    x = 162,207,345.17

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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.