Home / 54,293,651.20-81,377,491.20-21,929,550.40

Finding the Fourth Proportional to 54,293,651.20, 81,377,491.20 and 21,929,550.40

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Solution

The fourth proportional to 54,293,651.20, 81,377,491.20 and 21,929,550.40 is: 32,868,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,293,651.20 : 81,377,491.20 = 21,929,550.40 : x
  2. Step 2: Convert to fraction form
    54,293,651.20/81,377,491.20 = 21,929,550.40/x
  3. Step 3: Cross multiply
    54,293,651.20x = 81,377,491.20 × 21,929,550.40
  4. Step 4: Simplify right side
    54,293,651.20x = 1,784,571,794,695,956.50
  5. Step 5: Solve for x
    x = 1,784,571,794,695,956.50/54,293,651.20
  6. Step 6: Final answer
    x = 32,868,885.32

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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.