Home / 61,033,634.94-84,177,704.34-40,147,118.04

Finding the Fourth Proportional to 61,033,634.94, 84,177,704.34 and 40,147,118.04

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Solution

The fourth proportional to 61,033,634.94, 84,177,704.34 and 40,147,118.04 is: 55,370,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,033,634.94 : 84,177,704.34 = 40,147,118.04 : x
  2. Step 2: Convert to fraction form
    61,033,634.94/84,177,704.34 = 40,147,118.04/x
  3. Step 3: Cross multiply
    61,033,634.94x = 84,177,704.34 × 40,147,118.04
  4. Step 4: Simplify right side
    61,033,634.94x = 3,379,492,232,474,200.50
  5. Step 5: Solve for x
    x = 3,379,492,232,474,200.50/61,033,634.94
  6. Step 6: Final answer
    x = 55,370,980.87

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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.