Home / 87,492,739.06-120,743,433.03-50,322,959.70

Finding the Fourth Proportional to 87,492,739.06, 120,743,433.03 and 50,322,959.70

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Solution

The fourth proportional to 87,492,739.06, 120,743,433.03 and 50,322,959.70 is: 69,447,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,492,739.06 : 120,743,433.03 = 50,322,959.70 : x
  2. Step 2: Convert to fraction form
    87,492,739.06/120,743,433.03 = 50,322,959.70/x
  3. Step 3: Cross multiply
    87,492,739.06x = 120,743,433.03 × 50,322,959.70
  4. Step 4: Simplify right side
    87,492,739.06x = 6,076,166,914,408,339
  5. Step 5: Solve for x
    x = 6,076,166,914,408,339/87,492,739.06
  6. Step 6: Final answer
    x = 69,447,670.51

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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.