Home / 361,117,755.09-541,505,907.27-139,892,718.69

Finding the Fourth Proportional to 361,117,755.09, 541,505,907.27 and 139,892,718.69

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Solution

The fourth proportional to 361,117,755.09, 541,505,907.27 and 139,892,718.69 is: 209,772,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,117,755.09 : 541,505,907.27 = 139,892,718.69 : x
  2. Step 2: Convert to fraction form
    361,117,755.09/541,505,907.27 = 139,892,718.69/x
  3. Step 3: Cross multiply
    361,117,755.09x = 541,505,907.27 × 139,892,718.69
  4. Step 4: Simplify right side
    361,117,755.09x = 75,752,733,554,695,328
  5. Step 5: Solve for x
    x = 75,752,733,554,695,328/361,117,755.09
  6. Step 6: Final answer
    x = 209,772,941.06

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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.