Home / 130,931,561.33-196,384,589.56-53,213,125.11

Finding the Fourth Proportional to 130,931,561.33, 196,384,589.56 and 53,213,125.11

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Solution

The fourth proportional to 130,931,561.33, 196,384,589.56 and 53,213,125.11 is: 79,814,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,931,561.33 : 196,384,589.56 = 53,213,125.11 : x
  2. Step 2: Convert to fraction form
    130,931,561.33/196,384,589.56 = 53,213,125.11/x
  3. Step 3: Cross multiply
    130,931,561.33x = 196,384,589.56 × 53,213,125.11
  4. Step 4: Simplify right side
    130,931,561.33x = 10,450,237,734,067,232
  5. Step 5: Solve for x
    x = 10,450,237,734,067,232/130,931,561.33
  6. Step 6: Final answer
    x = 79,814,504.83

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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.