Home / 53,498,980.22-80,223,176.66-20,724,899.54

Finding the Fourth Proportional to 53,498,980.22, 80,223,176.66 and 20,724,899.54

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Solution

The fourth proportional to 53,498,980.22, 80,223,176.66 and 20,724,899.54 is: 31,077,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,498,980.22 : 80,223,176.66 = 20,724,899.54 : x
  2. Step 2: Convert to fraction form
    53,498,980.22/80,223,176.66 = 20,724,899.54/x
  3. Step 3: Cross multiply
    53,498,980.22x = 80,223,176.66 × 20,724,899.54
  4. Step 4: Simplify right side
    53,498,980.22x = 1,662,617,277,155,106.25
  5. Step 5: Solve for x
    x = 1,662,617,277,155,106.25/53,498,980.22
  6. Step 6: Final answer
    x = 31,077,550.83

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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.