Home / 313,200,103.80-469,968,117.30-131,465,652.60

Finding the Fourth Proportional to 313,200,103.80, 469,968,117.30 and 131,465,652.60

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Solution

The fourth proportional to 313,200,103.80, 469,968,117.30 and 131,465,652.60 is: 197,268,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,200,103.80 : 469,968,117.30 = 131,465,652.60 : x
  2. Step 2: Convert to fraction form
    313,200,103.80/469,968,117.30 = 131,465,652.60/x
  3. Step 3: Cross multiply
    313,200,103.80x = 469,968,117.30 × 131,465,652.60
  4. Step 4: Simplify right side
    313,200,103.80x = 61,784,665,242,037,848
  5. Step 5: Solve for x
    x = 61,784,665,242,037,848/313,200,103.80
  6. Step 6: Final answer
    x = 197,268,980.73

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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.