Home / 72,110,331.72-108,089,914.86-26,643,126.60

Finding the Fourth Proportional to 72,110,331.72, 108,089,914.86 and 26,643,126.60

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Solution

The fourth proportional to 72,110,331.72, 108,089,914.86 and 26,643,126.60 is: 39,936,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,110,331.72 : 108,089,914.86 = 26,643,126.60 : x
  2. Step 2: Convert to fraction form
    72,110,331.72/108,089,914.86 = 26,643,126.60/x
  3. Step 3: Cross multiply
    72,110,331.72x = 108,089,914.86 × 26,643,126.60
  4. Step 4: Simplify right side
    72,110,331.72x = 2,879,853,285,798,201.50
  5. Step 5: Solve for x
    x = 2,879,853,285,798,201.50/72,110,331.72
  6. Step 6: Final answer
    x = 39,936,763.80

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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.