Home / 54,798,800.40-82,198,200.60-51,439,568.40

Finding the Fourth Proportional to 54,798,800.40, 82,198,200.60 and 51,439,568.40

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Solution

The fourth proportional to 54,798,800.40, 82,198,200.60 and 51,439,568.40 is: 77,159,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,798,800.40 : 82,198,200.60 = 51,439,568.40 : x
  2. Step 2: Convert to fraction form
    54,798,800.40/82,198,200.60 = 51,439,568.40/x
  3. Step 3: Cross multiply
    54,798,800.40x = 82,198,200.60 × 51,439,568.40
  4. Step 4: Simplify right side
    54,798,800.40x = 4,228,239,962,120,620.50
  5. Step 5: Solve for x
    x = 4,228,239,962,120,620.50/54,798,800.40
  6. Step 6: Final answer
    x = 77,159,352.60

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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.