Home / 135,015,271.20-186,321,968.62-73,135,609.16

Finding the Fourth Proportional to 135,015,271.20, 186,321,968.62 and 73,135,609.16

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Solution

The fourth proportional to 135,015,271.20, 186,321,968.62 and 73,135,609.16 is: 100,927,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,015,271.20 : 186,321,968.62 = 73,135,609.16 : x
  2. Step 2: Convert to fraction form
    135,015,271.20/186,321,968.62 = 73,135,609.16/x
  3. Step 3: Cross multiply
    135,015,271.20x = 186,321,968.62 × 73,135,609.16
  4. Step 4: Simplify right side
    135,015,271.20x = 13,626,770,673,799,656
  5. Step 5: Solve for x
    x = 13,626,770,673,799,656/135,015,271.20
  6. Step 6: Final answer
    x = 100,927,625.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.