Home / 150,490,643.13-225,650,584.22-137,651,378.49

Finding the Fourth Proportional to 150,490,643.13, 225,650,584.22 and 137,651,378.49

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Solution

The fourth proportional to 150,490,643.13, 225,650,584.22 and 137,651,378.49 is: 206,398,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,490,643.13 : 225,650,584.22 = 137,651,378.49 : x
  2. Step 2: Convert to fraction form
    150,490,643.13/225,650,584.22 = 137,651,378.49/x
  3. Step 3: Cross multiply
    150,490,643.13x = 225,650,584.22 × 137,651,378.49
  4. Step 4: Simplify right side
    150,490,643.13x = 31,061,113,974,268,588
  5. Step 5: Solve for x
    x = 31,061,113,974,268,588/150,490,643.13
  6. Step 6: Final answer
    x = 206,398,971.58

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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.