Home / 217,765,348.80-326,648,023.20-201,137,150.40

Finding the Fourth Proportional to 217,765,348.80, 326,648,023.20 and 201,137,150.40

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Solution

The fourth proportional to 217,765,348.80, 326,648,023.20 and 201,137,150.40 is: 301,705,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,765,348.80 : 326,648,023.20 = 201,137,150.40 : x
  2. Step 2: Convert to fraction form
    217,765,348.80/326,648,023.20 = 201,137,150.40/x
  3. Step 3: Cross multiply
    217,765,348.80x = 326,648,023.20 × 201,137,150.40
  4. Step 4: Simplify right side
    217,765,348.80x = 65,701,052,570,241,088
  5. Step 5: Solve for x
    x = 65,701,052,570,241,088/217,765,348.80
  6. Step 6: Final answer
    x = 301,705,725.60

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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.