Home / 124,919,767.09-172,394,665.77-69,165,188.65

Finding the Fourth Proportional to 124,919,767.09, 172,394,665.77 and 69,165,188.65

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Solution

The fourth proportional to 124,919,767.09, 172,394,665.77 and 69,165,188.65 is: 95,450,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,919,767.09 : 172,394,665.77 = 69,165,188.65 : x
  2. Step 2: Convert to fraction form
    124,919,767.09/172,394,665.77 = 69,165,188.65/x
  3. Step 3: Cross multiply
    124,919,767.09x = 172,394,665.77 × 69,165,188.65
  4. Step 4: Simplify right side
    124,919,767.09x = 11,923,709,580,235,750
  5. Step 5: Solve for x
    x = 11,923,709,580,235,750/124,919,767.09
  6. Step 6: Final answer
    x = 95,450,943.10

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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.