Home / 66,853,764.78-100,289,570.40-26,454,800.94

Finding the Fourth Proportional to 66,853,764.78, 100,289,570.40 and 26,454,800.94

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Solution

The fourth proportional to 66,853,764.78, 100,289,570.40 and 26,454,800.94 is: 39,685,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,853,764.78 : 100,289,570.40 = 26,454,800.94 : x
  2. Step 2: Convert to fraction form
    66,853,764.78/100,289,570.40 = 26,454,800.94/x
  3. Step 3: Cross multiply
    66,853,764.78x = 100,289,570.40 × 26,454,800.94
  4. Step 4: Simplify right side
    66,853,764.78x = 2,653,140,621,290,116.50
  5. Step 5: Solve for x
    x = 2,653,140,621,290,116.50/66,853,764.78
  6. Step 6: Final answer
    x = 39,685,732.43

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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.