Home / 54,441,629.20-81,662,443.80-47,051,318.80

Finding the Fourth Proportional to 54,441,629.20, 81,662,443.80 and 47,051,318.80

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Solution

The fourth proportional to 54,441,629.20, 81,662,443.80 and 47,051,318.80 is: 70,576,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,441,629.20 : 81,662,443.80 = 47,051,318.80 : x
  2. Step 2: Convert to fraction form
    54,441,629.20/81,662,443.80 = 47,051,318.80/x
  3. Step 3: Cross multiply
    54,441,629.20x = 81,662,443.80 × 47,051,318.80
  4. Step 4: Simplify right side
    54,441,629.20x = 3,842,325,677,220,883
  5. Step 5: Solve for x
    x = 3,842,325,677,220,883/54,441,629.20
  6. Step 6: Final answer
    x = 70,576,978.20

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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.