Home / 75,583,740.80-113,375,611.20-30,178,121.60

Finding the Fourth Proportional to 75,583,740.80, 113,375,611.20 and 30,178,121.60

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Solution

The fourth proportional to 75,583,740.80, 113,375,611.20 and 30,178,121.60 is: 45,267,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,583,740.80 : 113,375,611.20 = 30,178,121.60 : x
  2. Step 2: Convert to fraction form
    75,583,740.80/113,375,611.20 = 30,178,121.60/x
  3. Step 3: Cross multiply
    75,583,740.80x = 113,375,611.20 × 30,178,121.60
  4. Step 4: Simplify right side
    75,583,740.80x = 3,421,462,981,267,922
  5. Step 5: Solve for x
    x = 3,421,462,981,267,922/75,583,740.80
  6. Step 6: Final answer
    x = 45,267,182.40

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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.