Home / 193,087,818.20-289,631,727.30-111,458,480.60

Finding the Fourth Proportional to 193,087,818.20, 289,631,727.30 and 111,458,480.60

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Solution

The fourth proportional to 193,087,818.20, 289,631,727.30 and 111,458,480.60 is: 167,187,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087,818.20 : 289,631,727.30 = 111,458,480.60 : x
  2. Step 2: Convert to fraction form
    193,087,818.20/289,631,727.30 = 111,458,480.60/x
  3. Step 3: Cross multiply
    193,087,818.20x = 289,631,727.30 × 111,458,480.60
  4. Step 4: Simplify right side
    193,087,818.20x = 32,281,912,258,411,540
  5. Step 5: Solve for x
    x = 32,281,912,258,411,540/193,087,818.20
  6. Step 6: Final answer
    x = 167,187,720.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.