Home / 67,143,758.64-100,715,632.41-18,621,611.81

Finding the Fourth Proportional to 67,143,758.64, 100,715,632.41 and 18,621,611.81

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Solution

The fourth proportional to 67,143,758.64, 100,715,632.41 and 18,621,611.81 is: 27,932,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,143,758.64 : 100,715,632.41 = 18,621,611.81 : x
  2. Step 2: Convert to fraction form
    67,143,758.64/100,715,632.41 = 18,621,611.81/x
  3. Step 3: Cross multiply
    67,143,758.64x = 100,715,632.41 × 18,621,611.81
  4. Step 4: Simplify right side
    67,143,758.64x = 1,875,487,409,937,674.50
  5. Step 5: Solve for x
    x = 1,875,487,409,937,674.50/67,143,758.64
  6. Step 6: Final answer
    x = 27,932,416.18

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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.