Home / 188,118,485.25-282,214,066.79-71,524,775.82

Finding the Fourth Proportional to 188,118,485.25, 282,214,066.79 and 71,524,775.82

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Solution

The fourth proportional to 188,118,485.25, 282,214,066.79 and 71,524,775.82 is: 107,300,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,118,485.25 : 282,214,066.79 = 71,524,775.82 : x
  2. Step 2: Convert to fraction form
    188,118,485.25/282,214,066.79 = 71,524,775.82/x
  3. Step 3: Cross multiply
    188,118,485.25x = 282,214,066.79 × 71,524,775.82
  4. Step 4: Simplify right side
    188,118,485.25x = 20,185,297,861,240,404
  5. Step 5: Solve for x
    x = 20,185,297,861,240,404/188,118,485.25
  6. Step 6: Final answer
    x = 107,300,980.20

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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.