Home / 87,492,742.56-120,743,437.86-50,322,963.20

Finding the Fourth Proportional to 87,492,742.56, 120,743,437.86 and 50,322,963.20

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Solution

The fourth proportional to 87,492,742.56, 120,743,437.86 and 50,322,963.20 is: 69,447,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,492,742.56 : 120,743,437.86 = 50,322,963.20 : x
  2. Step 2: Convert to fraction form
    87,492,742.56/120,743,437.86 = 50,322,963.20/x
  3. Step 3: Cross multiply
    87,492,742.56x = 120,743,437.86 × 50,322,963.20
  4. Step 4: Simplify right side
    87,492,742.56x = 6,076,167,579,466,550
  5. Step 5: Solve for x
    x = 6,076,167,579,466,550/87,492,742.56
  6. Step 6: Final answer
    x = 69,447,675.33

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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.