Home / 73,993,548.20-110,990,322.30-72,718,089.80

Finding the Fourth Proportional to 73,993,548.20, 110,990,322.30 and 72,718,089.80

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Solution

The fourth proportional to 73,993,548.20, 110,990,322.30 and 72,718,089.80 is: 109,077,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,993,548.20 : 110,990,322.30 = 72,718,089.80 : x
  2. Step 2: Convert to fraction form
    73,993,548.20/110,990,322.30 = 72,718,089.80/x
  3. Step 3: Cross multiply
    73,993,548.20x = 110,990,322.30 × 72,718,089.80
  4. Step 4: Simplify right side
    73,993,548.20x = 8,071,004,223,942,342
  5. Step 5: Solve for x
    x = 8,071,004,223,942,342/73,993,548.20
  6. Step 6: Final answer
    x = 109,077,134.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.