Home / 201,676,892.70-302,515,339.05-132,802,139.10

Finding the Fourth Proportional to 201,676,892.70, 302,515,339.05 and 132,802,139.10

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Solution

The fourth proportional to 201,676,892.70, 302,515,339.05 and 132,802,139.10 is: 199,203,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,676,892.70 : 302,515,339.05 = 132,802,139.10 : x
  2. Step 2: Convert to fraction form
    201,676,892.70/302,515,339.05 = 132,802,139.10/x
  3. Step 3: Cross multiply
    201,676,892.70x = 302,515,339.05 × 132,802,139.10
  4. Step 4: Simplify right side
    201,676,892.70x = 40,174,684,136,401,760
  5. Step 5: Solve for x
    x = 40,174,684,136,401,760/201,676,892.70
  6. Step 6: Final answer
    x = 199,203,208.65

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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.