Home / 61,245,792.15-91,886,624.21-18,116,144.06

Finding the Fourth Proportional to 61,245,792.15, 91,886,624.21 and 18,116,144.06

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Solution

The fourth proportional to 61,245,792.15, 91,886,624.21 and 18,116,144.06 is: 27,179,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,792.15 : 91,886,624.21 = 18,116,144.06 : x
  2. Step 2: Convert to fraction form
    61,245,792.15/91,886,624.21 = 18,116,144.06/x
  3. Step 3: Cross multiply
    61,245,792.15x = 91,886,624.21 × 18,116,144.06
  4. Step 4: Simplify right side
    61,245,792.15x = 1,664,631,320,825,429.75
  5. Step 5: Solve for x
    x = 1,664,631,320,825,429.75/61,245,792.15
  6. Step 6: Final answer
    x = 27,179,521.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.