Home / 87,492,760.31-120,743,462.36-50,322,980.95

Finding the Fourth Proportional to 87,492,760.31, 120,743,462.36 and 50,322,980.95

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Solution

The fourth proportional to 87,492,760.31, 120,743,462.36 and 50,322,980.95 is: 69,447,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,492,760.31 : 120,743,462.36 = 50,322,980.95 : x
  2. Step 2: Convert to fraction form
    87,492,760.31/120,743,462.36 = 50,322,980.95/x
  3. Step 3: Cross multiply
    87,492,760.31x = 120,743,462.36 × 50,322,980.95
  4. Step 4: Simplify right side
    87,492,760.31x = 6,076,170,956,179,322
  5. Step 5: Solve for x
    x = 6,076,170,956,179,322/87,492,760.31
  6. Step 6: Final answer
    x = 69,447,699.84

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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.