Home / 216,660,578.52-298,992,177.90-117,541,325.64

Finding the Fourth Proportional to 216,660,578.52, 298,992,177.90 and 117,541,325.64

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Solution

The fourth proportional to 216,660,578.52, 298,992,177.90 and 117,541,325.64 is: 162,207,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,660,578.52 : 298,992,177.90 = 117,541,325.64 : x
  2. Step 2: Convert to fraction form
    216,660,578.52/298,992,177.90 = 117,541,325.64/x
  3. Step 3: Cross multiply
    216,660,578.52x = 298,992,177.90 × 117,541,325.64
  4. Step 4: Simplify right side
    216,660,578.52x = 35,143,936,946,356,708
  5. Step 5: Solve for x
    x = 35,143,936,946,356,708/216,660,578.52
  6. Step 6: Final answer
    x = 162,207,343.79

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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.