Home / 201,644,109.30-302,466,163.95-99,457,101.30

Finding the Fourth Proportional to 201,644,109.30, 302,466,163.95 and 99,457,101.30

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Solution

The fourth proportional to 201,644,109.30, 302,466,163.95 and 99,457,101.30 is: 149,185,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,644,109.30 : 302,466,163.95 = 99,457,101.30 : x
  2. Step 2: Convert to fraction form
    201,644,109.30/302,466,163.95 = 99,457,101.30/x
  3. Step 3: Cross multiply
    201,644,109.30x = 302,466,163.95 × 99,457,101.30
  4. Step 4: Simplify right side
    201,644,109.30x = 30,082,407,907,797,556
  5. Step 5: Solve for x
    x = 30,082,407,907,797,556/201,644,109.30
  6. Step 6: Final answer
    x = 149,185,651.95

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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.