Home / 141,923,412.80-195,853,948.08-79,198,846.64

Finding the Fourth Proportional to 141,923,412.80, 195,853,948.08 and 79,198,846.64

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Solution

The fourth proportional to 141,923,412.80, 195,853,948.08 and 79,198,846.64 is: 109,294,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,923,412.80 : 195,853,948.08 = 79,198,846.64 : x
  2. Step 2: Convert to fraction form
    141,923,412.80/195,853,948.08 = 79,198,846.64/x
  3. Step 3: Cross multiply
    141,923,412.80x = 195,853,948.08 × 79,198,846.64
  4. Step 4: Simplify right side
    141,923,412.80x = 15,511,406,797,826,444
  5. Step 5: Solve for x
    x = 15,511,406,797,826,444/141,923,412.80
  6. Step 6: Final answer
    x = 109,294,206.59

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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.