Home / 105,255,317.97-145,244,965.05-61,199,191.23

Finding the Fourth Proportional to 105,255,317.97, 145,244,965.05 and 61,199,191.23

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Solution

The fourth proportional to 105,255,317.97, 145,244,965.05 and 61,199,191.23 is: 84,450,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,255,317.97 : 145,244,965.05 = 61,199,191.23 : x
  2. Step 2: Convert to fraction form
    105,255,317.97/145,244,965.05 = 61,199,191.23/x
  3. Step 3: Cross multiply
    105,255,317.97x = 145,244,965.05 × 61,199,191.23
  4. Step 4: Simplify right side
    105,255,317.97x = 8,888,874,391,289,617
  5. Step 5: Solve for x
    x = 8,888,874,391,289,617/105,255,317.97
  6. Step 6: Final answer
    x = 84,450,596.54

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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.