Home / 127,755,619.40-191,661,422.70-41,479,344.20

Finding the Fourth Proportional to 127,755,619.40, 191,661,422.70 and 41,479,344.20

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Solution

The fourth proportional to 127,755,619.40, 191,661,422.70 and 41,479,344.20 is: 62,228,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,755,619.40 : 191,661,422.70 = 41,479,344.20 : x
  2. Step 2: Convert to fraction form
    127,755,619.40/191,661,422.70 = 41,479,344.20/x
  3. Step 3: Cross multiply
    127,755,619.40x = 191,661,422.70 × 41,479,344.20
  4. Step 4: Simplify right side
    127,755,619.40x = 7,949,990,122,034,993
  5. Step 5: Solve for x
    x = 7,949,990,122,034,993/127,755,619.40
  6. Step 6: Final answer
    x = 62,228,105.19

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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.