Home / 140,952,129.20-211,378,427.40-50,078,682.80

Finding the Fourth Proportional to 140,952,129.20, 211,378,427.40 and 50,078,682.80

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Solution

The fourth proportional to 140,952,129.20, 211,378,427.40 and 50,078,682.80 is: 75,100,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,952,129.20 : 211,378,427.40 = 50,078,682.80 : x
  2. Step 2: Convert to fraction form
    140,952,129.20/211,378,427.40 = 50,078,682.80/x
  3. Step 3: Cross multiply
    140,952,129.20x = 211,378,427.40 × 50,078,682.80
  4. Step 4: Simplify right side
    140,952,129.20x = 10,585,553,216,527,428
  5. Step 5: Solve for x
    x = 10,585,553,216,527,428/140,952,129.20
  6. Step 6: Final answer
    x = 75,100,342.77

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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.