Home / 201,347,343.40-302,095,664.70-80,265,692.20

Finding the Fourth Proportional to 201,347,343.40, 302,095,664.70 and 80,265,692.20

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Solution

The fourth proportional to 201,347,343.40, 302,095,664.70 and 80,265,692.20 is: 120,428,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,347,343.40 : 302,095,664.70 = 80,265,692.20 : x
  2. Step 2: Convert to fraction form
    201,347,343.40/302,095,664.70 = 80,265,692.20/x
  3. Step 3: Cross multiply
    201,347,343.40x = 302,095,664.70 × 80,265,692.20
  4. Step 4: Simplify right side
    201,347,343.40x = 24,247,917,637,764,604
  5. Step 5: Solve for x
    x = 24,247,917,637,764,604/201,347,343.40
  6. Step 6: Final answer
    x = 120,428,296.83

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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.