Home / 149,967,003.88-206,970,052.26-86,389,536.52

Finding the Fourth Proportional to 149,967,003.88, 206,970,052.26 and 86,389,536.52

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Solution

The fourth proportional to 149,967,003.88, 206,970,052.26 and 86,389,536.52 is: 119,226,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,967,003.88 : 206,970,052.26 = 86,389,536.52 : x
  2. Step 2: Convert to fraction form
    149,967,003.88/206,970,052.26 = 86,389,536.52/x
  3. Step 3: Cross multiply
    149,967,003.88x = 206,970,052.26 × 86,389,536.52
  4. Step 4: Simplify right side
    149,967,003.88x = 17,880,046,888,261,576
  5. Step 5: Solve for x
    x = 17,880,046,888,261,576/149,967,003.88
  6. Step 6: Final answer
    x = 119,226,539.34

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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.