Home / 65,146,591.12-89,937,198.72-50,229,334.64

Finding the Fourth Proportional to 65,146,591.12, 89,937,198.72 and 50,229,334.64

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Solution

The fourth proportional to 65,146,591.12, 89,937,198.72 and 50,229,334.64 is: 69,343,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,146,591.12 : 89,937,198.72 = 50,229,334.64 : x
  2. Step 2: Convert to fraction form
    65,146,591.12/89,937,198.72 = 50,229,334.64/x
  3. Step 3: Cross multiply
    65,146,591.12x = 89,937,198.72 × 50,229,334.64
  4. Step 4: Simplify right side
    65,146,591.12x = 4,517,485,651,091,060
  5. Step 5: Solve for x
    x = 4,517,485,651,091,060/65,146,591.12
  6. Step 6: Final answer
    x = 69,343,392.70

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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.