Home / 200,648,412-300,900,396.24-69,455,040.48

Finding the Fourth Proportional to 200,648,412, 300,900,396.24 and 69,455,040.48

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Solution

The fourth proportional to 200,648,412, 300,900,396.24 and 69,455,040.48 is: 104,157,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,648,412 : 300,900,396.24 = 69,455,040.48 : x
  2. Step 2: Convert to fraction form
    200,648,412/300,900,396.24 = 69,455,040.48/x
  3. Step 3: Cross multiply
    200,648,412x = 300,900,396.24 × 69,455,040.48
  4. Step 4: Simplify right side
    200,648,412x = 20,899,049,201,297,240
  5. Step 5: Solve for x
    x = 20,899,049,201,297,240/200,648,412
  6. Step 6: Final answer
    x = 104,157,560.94

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1.5x scale

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.