Home / 67,003,487.40-100,505,231.10-60,201,042.60

Finding the Fourth Proportional to 67,003,487.40, 100,505,231.10 and 60,201,042.60

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Solution

The fourth proportional to 67,003,487.40, 100,505,231.10 and 60,201,042.60 is: 90,301,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,003,487.40 : 100,505,231.10 = 60,201,042.60 : x
  2. Step 2: Convert to fraction form
    67,003,487.40/100,505,231.10 = 60,201,042.60/x
  3. Step 3: Cross multiply
    67,003,487.40x = 100,505,231.10 × 60,201,042.60
  4. Step 4: Simplify right side
    67,003,487.40x = 6,050,519,698,973,945
  5. Step 5: Solve for x
    x = 6,050,519,698,973,945/67,003,487.40
  6. Step 6: Final answer
    x = 90,301,563.90

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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.