Home / 150,222,420.90-207,203,436.77-105,662,899.17

Finding the Fourth Proportional to 150,222,420.90, 207,203,436.77 and 105,662,899.17

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Solution

The fourth proportional to 150,222,420.90, 207,203,436.77 and 105,662,899.17 is: 145,741,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,222,420.90 : 207,203,436.77 = 105,662,899.17 : x
  2. Step 2: Convert to fraction form
    150,222,420.90/207,203,436.77 = 105,662,899.17/x
  3. Step 3: Cross multiply
    150,222,420.90x = 207,203,436.77 × 105,662,899.17
  4. Step 4: Simplify right side
    150,222,420.90x = 21,893,715,846,577,664
  5. Step 5: Solve for x
    x = 21,893,715,846,577,664/150,222,420.90
  6. Step 6: Final answer
    x = 145,741,998.53

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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.