Home / 54,224,311.58-81,336,289.94-19,680,667.30

Finding the Fourth Proportional to 54,224,311.58, 81,336,289.94 and 19,680,667.30

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Solution

The fourth proportional to 54,224,311.58, 81,336,289.94 and 19,680,667.30 is: 29,520,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,224,311.58 : 81,336,289.94 = 19,680,667.30 : x
  2. Step 2: Convert to fraction form
    54,224,311.58/81,336,289.94 = 19,680,667.30/x
  3. Step 3: Cross multiply
    54,224,311.58x = 81,336,289.94 × 19,680,667.30
  4. Step 4: Simplify right side
    54,224,311.58x = 1,600,752,461,725,477
  5. Step 5: Solve for x
    x = 1,600,752,461,725,477/54,224,311.58
  6. Step 6: Final answer
    x = 29,520,936.55

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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.