Home / 216,110,141.25-298,231,931.75-116,990,815.10

Finding the Fourth Proportional to 216,110,141.25, 298,231,931.75 and 116,990,815.10

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Solution

The fourth proportional to 216,110,141.25, 298,231,931.75 and 116,990,815.10 is: 161,447,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,110,141.25 : 298,231,931.75 = 116,990,815.10 : x
  2. Step 2: Convert to fraction form
    216,110,141.25/298,231,931.75 = 116,990,815.10/x
  3. Step 3: Cross multiply
    216,110,141.25x = 298,231,931.75 × 116,990,815.10
  4. Step 4: Simplify right side
    216,110,141.25x = 34,890,396,784,538,680
  5. Step 5: Solve for x
    x = 34,890,396,784,538,680/216,110,141.25
  6. Step 6: Final answer
    x = 161,447,290.64

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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.