Home / 47,816,215.20-71,724,320.40-45,492,933.44

Finding the Fourth Proportional to 47,816,215.20, 71,724,320.40 and 45,492,933.44

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Solution

The fourth proportional to 47,816,215.20, 71,724,320.40 and 45,492,933.44 is: 68,239,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,816,215.20 : 71,724,320.40 = 45,492,933.44 : x
  2. Step 2: Convert to fraction form
    47,816,215.20/71,724,320.40 = 45,492,933.44/x
  3. Step 3: Cross multiply
    47,816,215.20x = 71,724,320.40 × 45,492,933.44
  4. Step 4: Simplify right side
    47,816,215.20x = 3,262,949,733,986,434.50
  5. Step 5: Solve for x
    x = 3,262,949,733,986,434.50/47,816,215.20
  6. Step 6: Final answer
    x = 68,239,397.88

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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.