Home / 303,551,866.34-455,259,651.98-139,632,192.26

Finding the Fourth Proportional to 303,551,866.34, 455,259,651.98 and 139,632,192.26

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Solution

The fourth proportional to 303,551,866.34, 455,259,651.98 and 139,632,192.26 is: 209,416,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,551,866.34 : 455,259,651.98 = 139,632,192.26 : x
  2. Step 2: Convert to fraction form
    303,551,866.34/455,259,651.98 = 139,632,192.26/x
  3. Step 3: Cross multiply
    303,551,866.34x = 455,259,651.98 × 139,632,192.26
  4. Step 4: Simplify right side
    303,551,866.34x = 63,568,903,253,492,048
  5. Step 5: Solve for x
    x = 63,568,903,253,492,048/303,551,866.34
  6. Step 6: Final answer
    x = 209,416,940.90

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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.