Home / 67,182,405.40-100,773,608.10-28,837,394.20

Finding the Fourth Proportional to 67,182,405.40, 100,773,608.10 and 28,837,394.20

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Solution

The fourth proportional to 67,182,405.40, 100,773,608.10 and 28,837,394.20 is: 43,256,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,182,405.40 : 100,773,608.10 = 28,837,394.20 : x
  2. Step 2: Convert to fraction form
    67,182,405.40/100,773,608.10 = 28,837,394.20/x
  3. Step 3: Cross multiply
    67,182,405.40x = 100,773,608.10 × 28,837,394.20
  4. Step 4: Simplify right side
    67,182,405.40x = 2,906,048,261,736,013
  5. Step 5: Solve for x
    x = 2,906,048,261,736,013/67,182,405.40
  6. Step 6: Final answer
    x = 43,256,091.30

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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.