Home / 110,975,999.60-166,463,999.40-80,541,081.20

Finding the Fourth Proportional to 110,975,999.60, 166,463,999.40 and 80,541,081.20

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Solution

The fourth proportional to 110,975,999.60, 166,463,999.40 and 80,541,081.20 is: 120,811,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,975,999.60 : 166,463,999.40 = 80,541,081.20 : x
  2. Step 2: Convert to fraction form
    110,975,999.60/166,463,999.40 = 80,541,081.20/x
  3. Step 3: Cross multiply
    110,975,999.60x = 166,463,999.40 × 80,541,081.20
  4. Step 4: Simplify right side
    110,975,999.60x = 13,407,190,492,552,152
  5. Step 5: Solve for x
    x = 13,407,190,492,552,152/110,975,999.60
  6. Step 6: Final answer
    x = 120,811,621.80

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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.