Home / 140,952,187.20-211,378,514.40-50,078,740.80

Finding the Fourth Proportional to 140,952,187.20, 211,378,514.40 and 50,078,740.80

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Solution

The fourth proportional to 140,952,187.20, 211,378,514.40 and 50,078,740.80 is: 75,100,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,952,187.20 : 211,378,514.40 = 50,078,740.80 : x
  2. Step 2: Convert to fraction form
    140,952,187.20/211,378,514.40 = 50,078,740.80/x
  3. Step 3: Cross multiply
    140,952,187.20x = 211,378,514.40 × 50,078,740.80
  4. Step 4: Simplify right side
    140,952,187.20x = 10,585,569,833,326,668
  5. Step 5: Solve for x
    x = 10,585,569,833,326,668/140,952,187.20
  6. Step 6: Final answer
    x = 75,100,429.75

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1.5x scale

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.