Home / 202,990,289.90-280,126,870.36-110,170,797.74

Finding the Fourth Proportional to 202,990,289.90, 280,126,870.36 and 110,170,797.74

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Solution

The fourth proportional to 202,990,289.90, 280,126,870.36 and 110,170,797.74 is: 152,035,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,990,289.90 : 280,126,870.36 = 110,170,797.74 : x
  2. Step 2: Convert to fraction form
    202,990,289.90/280,126,870.36 = 110,170,797.74/x
  3. Step 3: Cross multiply
    202,990,289.90x = 280,126,870.36 × 110,170,797.74
  4. Step 4: Simplify right side
    202,990,289.90x = 30,861,800,775,970,760
  5. Step 5: Solve for x
    x = 30,861,800,775,970,760/202,990,289.90
  6. Step 6: Final answer
    x = 152,035,847.58

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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.