Home / 200,863,622.70-301,220,784.45-79,669,997.10

Finding the Fourth Proportional to 200,863,622.70, 301,220,784.45 and 79,669,997.10

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Solution

The fourth proportional to 200,863,622.70, 301,220,784.45 and 79,669,997.10 is: 119,475,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,863,622.70 : 301,220,784.45 = 79,669,997.10 : x
  2. Step 2: Convert to fraction form
    200,863,622.70/301,220,784.45 = 79,669,997.10/x
  3. Step 3: Cross multiply
    200,863,622.70x = 301,220,784.45 × 79,669,997.10
  4. Step 4: Simplify right side
    200,863,622.70x = 23,998,259,023,591,224
  5. Step 5: Solve for x
    x = 23,998,259,023,591,224/200,863,622.70
  6. Step 6: Final answer
    x = 119,475,386.84

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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.