Home / 202,990,731.42-280,127,486.55-110,171,240.54

Finding the Fourth Proportional to 202,990,731.42, 280,127,486.55 and 110,171,240.54

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Solution

The fourth proportional to 202,990,731.42, 280,127,486.55 and 110,171,240.54 is: 152,036,462.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,990,731.42 : 280,127,486.55 = 110,171,240.54 : x
  2. Step 2: Convert to fraction form
    202,990,731.42/280,127,486.55 = 110,171,240.54/x
  3. Step 3: Cross multiply
    202,990,731.42x = 280,127,486.55 × 110,171,240.54
  4. Step 4: Simplify right side
    202,990,731.42x = 30,861,992,702,565,668
  5. Step 5: Solve for x
    x = 30,861,992,702,565,668/202,990,731.42
  6. Step 6: Final answer
    x = 152,036,462.39

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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.