Home / 201,678,166.20-302,517,249.30-132,803,412.60

Finding the Fourth Proportional to 201,678,166.20, 302,517,249.30 and 132,803,412.60

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Solution

The fourth proportional to 201,678,166.20, 302,517,249.30 and 132,803,412.60 is: 199,205,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,678,166.20 : 302,517,249.30 = 132,803,412.60 : x
  2. Step 2: Convert to fraction form
    201,678,166.20/302,517,249.30 = 132,803,412.60/x
  3. Step 3: Cross multiply
    201,678,166.20x = 302,517,249.30 × 132,803,412.60
  4. Step 4: Simplify right side
    201,678,166.20x = 40,175,323,077,404,960
  5. Step 5: Solve for x
    x = 40,175,323,077,404,960/201,678,166.20
  6. Step 6: Final answer
    x = 199,205,118.90

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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.