Home / 201,676,882.20-302,515,323.30-132,802,128.60

Finding the Fourth Proportional to 201,676,882.20, 302,515,323.30 and 132,802,128.60

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Solution

The fourth proportional to 201,676,882.20, 302,515,323.30 and 132,802,128.60 is: 199,203,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,676,882.20 : 302,515,323.30 = 132,802,128.60 : x
  2. Step 2: Convert to fraction form
    201,676,882.20/302,515,323.30 = 132,802,128.60/x
  3. Step 3: Cross multiply
    201,676,882.20x = 302,515,323.30 × 132,802,128.60
  4. Step 4: Simplify right side
    201,676,882.20x = 40,174,678,868,357,176
  5. Step 5: Solve for x
    x = 40,174,678,868,357,176/201,676,882.20
  6. Step 6: Final answer
    x = 199,203,192.90

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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.