Home / 80,260,009.20-110,759,379.54-43,590,580.20

Finding the Fourth Proportional to 80,260,009.20, 110,759,379.54 and 43,590,580.20

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Solution

The fourth proportional to 80,260,009.20, 110,759,379.54 and 43,590,580.20 is: 60,155,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,260,009.20 : 110,759,379.54 = 43,590,580.20 : x
  2. Step 2: Convert to fraction form
    80,260,009.20/110,759,379.54 = 43,590,580.20/x
  3. Step 3: Cross multiply
    80,260,009.20x = 110,759,379.54 × 43,590,580.20
  4. Step 4: Simplify right side
    80,260,009.20x = 4,828,065,616,740,610
  5. Step 5: Solve for x
    x = 4,828,065,616,740,610/80,260,009.20
  6. Step 6: Final answer
    x = 60,155,308.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.