Home / 216,198,700.40-298,352,836.56-117,077,868

Finding the Fourth Proportional to 216,198,700.40, 298,352,836.56 and 117,077,868

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Solution

The fourth proportional to 216,198,700.40, 298,352,836.56 and 117,077,868 is: 161,566,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,198,700.40 : 298,352,836.56 = 117,077,868 : x
  2. Step 2: Convert to fraction form
    216,198,700.40/298,352,836.56 = 117,077,868/x
  3. Step 3: Cross multiply
    216,198,700.40x = 298,352,836.56 × 117,077,868
  4. Step 4: Simplify right side
    216,198,700.40x = 34,930,514,016,197,256
  5. Step 5: Solve for x
    x = 34,930,514,016,197,256/216,198,700.40
  6. Step 6: Final answer
    x = 161,566,715.95

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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.