Home / 50,976,008.20-76,464,012.30-45,402,171.40

Finding the Fourth Proportional to 50,976,008.20, 76,464,012.30 and 45,402,171.40

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Solution

The fourth proportional to 50,976,008.20, 76,464,012.30 and 45,402,171.40 is: 68,103,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,976,008.20 : 76,464,012.30 = 45,402,171.40 : x
  2. Step 2: Convert to fraction form
    50,976,008.20/76,464,012.30 = 45,402,171.40/x
  3. Step 3: Cross multiply
    50,976,008.20x = 76,464,012.30 × 45,402,171.40
  4. Step 4: Simplify right side
    50,976,008.20x = 3,471,632,192,376,308
  5. Step 5: Solve for x
    x = 3,471,632,192,376,308/50,976,008.20
  6. Step 6: Final answer
    x = 68,103,257.10

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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.