Home / 140,621,404.70-210,932,107.05-48,504,964.70

Finding the Fourth Proportional to 140,621,404.70, 210,932,107.05 and 48,504,964.70

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Solution

The fourth proportional to 140,621,404.70, 210,932,107.05 and 48,504,964.70 is: 72,757,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,621,404.70 : 210,932,107.05 = 48,504,964.70 : x
  2. Step 2: Convert to fraction form
    140,621,404.70/210,932,107.05 = 48,504,964.70/x
  3. Step 3: Cross multiply
    140,621,404.70x = 210,932,107.05 × 48,504,964.70
  4. Step 4: Simplify right side
    140,621,404.70x = 10,231,254,406,556,872
  5. Step 5: Solve for x
    x = 10,231,254,406,556,872/140,621,404.70
  6. Step 6: Final answer
    x = 72,757,447.05

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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.