Home / 67,387,321.80-101,080,982.70-64,741,926.60

Finding the Fourth Proportional to 67,387,321.80, 101,080,982.70 and 64,741,926.60

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Solution

The fourth proportional to 67,387,321.80, 101,080,982.70 and 64,741,926.60 is: 97,112,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,387,321.80 : 101,080,982.70 = 64,741,926.60 : x
  2. Step 2: Convert to fraction form
    67,387,321.80/101,080,982.70 = 64,741,926.60/x
  3. Step 3: Cross multiply
    67,387,321.80x = 101,080,982.70 × 64,741,926.60
  4. Step 4: Simplify right side
    67,387,321.80x = 6,544,177,562,619,270
  5. Step 5: Solve for x
    x = 6,544,177,562,619,270/67,387,321.80
  6. Step 6: Final answer
    x = 97,112,889.90

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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.