Home / 66,734,227.20-100,101,340.80-53,745,196.80

Finding the Fourth Proportional to 66,734,227.20, 100,101,340.80 and 53,745,196.80

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Solution

The fourth proportional to 66,734,227.20, 100,101,340.80 and 53,745,196.80 is: 80,617,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734,227.20 : 100,101,340.80 = 53,745,196.80 : x
  2. Step 2: Convert to fraction form
    66,734,227.20/100,101,340.80 = 53,745,196.80/x
  3. Step 3: Cross multiply
    66,734,227.20x = 100,101,340.80 × 53,745,196.80
  4. Step 4: Simplify right side
    66,734,227.20x = 5,379,966,261,239,869
  5. Step 5: Solve for x
    x = 5,379,966,261,239,869/66,734,227.20
  6. Step 6: Final answer
    x = 80,617,795.20

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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.