Home / 141,923,449.02-195,853,993.94-79,198,878.40

Finding the Fourth Proportional to 141,923,449.02, 195,853,993.94 and 79,198,878.40

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Solution

The fourth proportional to 141,923,449.02, 195,853,993.94 and 79,198,878.40 is: 109,294,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,923,449.02 : 195,853,993.94 = 79,198,878.40 : x
  2. Step 2: Convert to fraction form
    141,923,449.02/195,853,993.94 = 79,198,878.40/x
  3. Step 3: Cross multiply
    141,923,449.02x = 195,853,993.94 × 79,198,878.40
  4. Step 4: Simplify right side
    141,923,449.02x = 15,511,416,650,208,398
  5. Step 5: Solve for x
    x = 15,511,416,650,208,398/141,923,449.02
  6. Step 6: Final answer
    x = 109,294,248.11

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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.