Home / 193,291,291.20-289,618,072.20-164,593,477.20

Finding the Fourth Proportional to 193,291,291.20, 289,618,072.20 and 164,593,477.20

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Solution

The fourth proportional to 193,291,291.20, 289,618,072.20 and 164,593,477.20 is: 246,618,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,291,291.20 : 289,618,072.20 = 164,593,477.20 : x
  2. Step 2: Convert to fraction form
    193,291,291.20/289,618,072.20 = 164,593,477.20/x
  3. Step 3: Cross multiply
    193,291,291.20x = 289,618,072.20 × 164,593,477.20
  4. Step 4: Simplify right side
    193,291,291.20x = 47,669,245,563,358,648
  5. Step 5: Solve for x
    x = 47,669,245,563,358,648/193,291,291.20
  6. Step 6: Final answer
    x = 246,618,692.79

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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.