Home / 216,660,418.49-298,991,957.06-117,541,165.89

Finding the Fourth Proportional to 216,660,418.49, 298,991,957.06 and 117,541,165.89

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Solution

The fourth proportional to 216,660,418.49, 298,991,957.06 and 117,541,165.89 is: 162,207,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,660,418.49 : 298,991,957.06 = 117,541,165.89 : x
  2. Step 2: Convert to fraction form
    216,660,418.49/298,991,957.06 = 117,541,165.89/x
  3. Step 3: Cross multiply
    216,660,418.49x = 298,991,957.06 × 117,541,165.89
  4. Step 4: Simplify right side
    216,660,418.49x = 35,143,863,223,977,512
  5. Step 5: Solve for x
    x = 35,143,863,223,977,512/216,660,418.49
  6. Step 6: Final answer
    x = 162,207,123.34

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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.