Home / 141,681,309.88-195,453,405.54-82,907,921.08

Finding the Fourth Proportional to 141,681,309.88, 195,453,405.54 and 82,907,921.08

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Solution

The fourth proportional to 141,681,309.88, 195,453,405.54 and 82,907,921.08 is: 114,373,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,681,309.88 : 195,453,405.54 = 82,907,921.08 : x
  2. Step 2: Convert to fraction form
    141,681,309.88/195,453,405.54 = 82,907,921.08/x
  3. Step 3: Cross multiply
    141,681,309.88x = 195,453,405.54 × 82,907,921.08
  4. Step 4: Simplify right side
    141,681,309.88x = 16,204,635,521,327,554
  5. Step 5: Solve for x
    x = 16,204,635,521,327,554/141,681,309.88
  6. Step 6: Final answer
    x = 114,373,840.38

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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.