Home / 53,180,191.21-73,394,306.04-31,172,181.43

Finding the Fourth Proportional to 53,180,191.21, 73,394,306.04 and 31,172,181.43

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Solution

The fourth proportional to 53,180,191.21, 73,394,306.04 and 31,172,181.43 is: 43,020,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180,191.21 : 73,394,306.04 = 31,172,181.43 : x
  2. Step 2: Convert to fraction form
    53,180,191.21/73,394,306.04 = 31,172,181.43/x
  3. Step 3: Cross multiply
    53,180,191.21x = 73,394,306.04 × 31,172,181.43
  4. Step 4: Simplify right side
    53,180,191.21x = 2,287,860,623,440,853.50
  5. Step 5: Solve for x
    x = 2,287,860,623,440,853.50/53,180,191.21
  6. Step 6: Final answer
    x = 43,020,917.59

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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.