Home / 150,008,165.84-206,998,755.72-139,040,273.36

Finding the Fourth Proportional to 150,008,165.84, 206,998,755.72 and 139,040,273.36

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Solution

The fourth proportional to 150,008,165.84, 206,998,755.72 and 139,040,273.36 is: 191,863,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,008,165.84 : 206,998,755.72 = 139,040,273.36 : x
  2. Step 2: Convert to fraction form
    150,008,165.84/206,998,755.72 = 139,040,273.36/x
  3. Step 3: Cross multiply
    150,008,165.84x = 206,998,755.72 × 139,040,273.36
  4. Step 4: Simplify right side
    150,008,165.84x = 28,781,163,580,488,668
  5. Step 5: Solve for x
    x = 28,781,163,580,488,668/150,008,165.84
  6. Step 6: Final answer
    x = 191,863,979.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.