Home / 54,992,009.20-82,576,141.80-43,726,140.40

Finding the Fourth Proportional to 54,992,009.20, 82,576,141.80 and 43,726,140.40

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Solution

The fourth proportional to 54,992,009.20, 82,576,141.80 and 43,726,140.40 is: 65,659,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,992,009.20 : 82,576,141.80 = 43,726,140.40 : x
  2. Step 2: Convert to fraction form
    54,992,009.20/82,576,141.80 = 43,726,140.40/x
  3. Step 3: Cross multiply
    54,992,009.20x = 82,576,141.80 × 43,726,140.40
  4. Step 4: Simplify right side
    54,992,009.20x = 3,610,735,970,037,108.50
  5. Step 5: Solve for x
    x = 3,610,735,970,037,108.50/54,992,009.20
  6. Step 6: Final answer
    x = 65,659,284.37

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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.