Home / 144,051,207.03-198,809,589.38-82,157,357.43

Finding the Fourth Proportional to 144,051,207.03, 198,809,589.38 and 82,157,357.43

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Solution

The fourth proportional to 144,051,207.03, 198,809,589.38 and 82,157,357.43 is: 113,387,946.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051,207.03 : 198,809,589.38 = 82,157,357.43 : x
  2. Step 2: Convert to fraction form
    144,051,207.03/198,809,589.38 = 82,157,357.43/x
  3. Step 3: Cross multiply
    144,051,207.03x = 198,809,589.38 × 82,157,357.43
  4. Step 4: Simplify right side
    144,051,207.03x = 16,333,670,494,793,406
  5. Step 5: Solve for x
    x = 16,333,670,494,793,406/144,051,207.03
  6. Step 6: Final answer
    x = 113,387,946.08

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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.