Home / 141,691,164.29-195,525,900.70-78,109,452.08

Finding the Fourth Proportional to 141,691,164.29, 195,525,900.70 and 78,109,452.08

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Solution

The fourth proportional to 141,691,164.29, 195,525,900.70 and 78,109,452.08 is: 107,786,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,691,164.29 : 195,525,900.70 = 78,109,452.08 : x
  2. Step 2: Convert to fraction form
    141,691,164.29/195,525,900.70 = 78,109,452.08/x
  3. Step 3: Cross multiply
    141,691,164.29x = 195,525,900.70 × 78,109,452.08
  4. Step 4: Simplify right side
    141,691,164.29x = 15,272,420,969,952,586
  5. Step 5: Solve for x
    x = 15,272,420,969,952,586/141,691,164.29
  6. Step 6: Final answer
    x = 107,786,685.55

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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.