Home / 200,863,664.70-301,220,847.45-79,670,039.10

Finding the Fourth Proportional to 200,863,664.70, 301,220,847.45 and 79,670,039.10

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Solution

The fourth proportional to 200,863,664.70, 301,220,847.45 and 79,670,039.10 is: 119,475,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,863,664.70 : 301,220,847.45 = 79,670,039.10 : x
  2. Step 2: Convert to fraction form
    200,863,664.70/301,220,847.45 = 79,670,039.10/x
  3. Step 3: Cross multiply
    200,863,664.70x = 301,220,847.45 × 79,670,039.10
  4. Step 4: Simplify right side
    200,863,664.70x = 23,998,276,694,076,632
  5. Step 5: Solve for x
    x = 23,998,276,694,076,632/200,863,664.70
  6. Step 6: Final answer
    x = 119,475,449.83

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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.