Home / 66,734,115.90-100,101,173.85-28,396,880.70

Finding the Fourth Proportional to 66,734,115.90, 100,101,173.85 and 28,396,880.70

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Solution

The fourth proportional to 66,734,115.90, 100,101,173.85 and 28,396,880.70 is: 42,595,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734,115.90 : 100,101,173.85 = 28,396,880.70 : x
  2. Step 2: Convert to fraction form
    66,734,115.90/100,101,173.85 = 28,396,880.70/x
  3. Step 3: Cross multiply
    66,734,115.90x = 100,101,173.85 × 28,396,880.70
  4. Step 4: Simplify right side
    66,734,115.90x = 2,842,561,091,748,409.50
  5. Step 5: Solve for x
    x = 2,842,561,091,748,409.50/66,734,115.90
  6. Step 6: Final answer
    x = 42,595,321.05

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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.