Home / 302,112,007.20-453,354,634.80-120,340,231.20

Finding the Fourth Proportional to 302,112,007.20, 453,354,634.80 and 120,340,231.20

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Solution

The fourth proportional to 302,112,007.20, 453,354,634.80 and 120,340,231.20 is: 180,584,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,112,007.20 : 453,354,634.80 = 120,340,231.20 : x
  2. Step 2: Convert to fraction form
    302,112,007.20/453,354,634.80 = 120,340,231.20/x
  3. Step 3: Cross multiply
    302,112,007.20x = 453,354,634.80 × 120,340,231.20
  4. Step 4: Simplify right side
    302,112,007.20x = 54,556,801,567,423,568
  5. Step 5: Solve for x
    x = 54,556,801,567,423,568/302,112,007.20
  6. Step 6: Final answer
    x = 180,584,684.71

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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.