Home / 188,542,584.92-282,630,459.09-90,148,722.28

Finding the Fourth Proportional to 188,542,584.92, 282,630,459.09 and 90,148,722.28

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Solution

The fourth proportional to 188,542,584.92, 282,630,459.09 and 90,148,722.28 is: 135,135,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,542,584.92 : 282,630,459.09 = 90,148,722.28 : x
  2. Step 2: Convert to fraction form
    188,542,584.92/282,630,459.09 = 90,148,722.28/x
  3. Step 3: Cross multiply
    188,542,584.92x = 282,630,459.09 × 90,148,722.28
  4. Step 4: Simplify right side
    188,542,584.92x = 25,478,774,764,004,796
  5. Step 5: Solve for x
    x = 25,478,774,764,004,796/188,542,584.92
  6. Step 6: Final answer
    x = 135,135,384.80

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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.