Home / 54,437,709.80-81,656,564.70-20,352,002.60

Finding the Fourth Proportional to 54,437,709.80, 81,656,564.70 and 20,352,002.60

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Solution

The fourth proportional to 54,437,709.80, 81,656,564.70 and 20,352,002.60 is: 30,528,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,437,709.80 : 81,656,564.70 = 20,352,002.60 : x
  2. Step 2: Convert to fraction form
    54,437,709.80/81,656,564.70 = 20,352,002.60/x
  3. Step 3: Cross multiply
    54,437,709.80x = 81,656,564.70 × 20,352,002.60
  4. Step 4: Simplify right side
    54,437,709.80x = 1,661,874,617,081,468.50
  5. Step 5: Solve for x
    x = 1,661,874,617,081,468.50/54,437,709.80
  6. Step 6: Final answer
    x = 30,528,003.90

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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.