Home / 201,632,940.60-302,449,410.90-139,215,195.15

Finding the Fourth Proportional to 201,632,940.60, 302,449,410.90 and 139,215,195.15

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Solution

The fourth proportional to 201,632,940.60, 302,449,410.90 and 139,215,195.15 is: 208,822,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,632,940.60 : 302,449,410.90 = 139,215,195.15 : x
  2. Step 2: Convert to fraction form
    201,632,940.60/302,449,410.90 = 139,215,195.15/x
  3. Step 3: Cross multiply
    201,632,940.60x = 302,449,410.90 × 139,215,195.15
  4. Step 4: Simplify right side
    201,632,940.60x = 42,105,553,761,446,032
  5. Step 5: Solve for x
    x = 42,105,553,761,446,032/201,632,940.60
  6. Step 6: Final answer
    x = 208,822,792.73

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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.