Home / 145,157,266.80-217,735,900.20-133,567,916.40

Finding the Fourth Proportional to 145,157,266.80, 217,735,900.20 and 133,567,916.40

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Solution

The fourth proportional to 145,157,266.80, 217,735,900.20 and 133,567,916.40 is: 200,351,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,157,266.80 : 217,735,900.20 = 133,567,916.40 : x
  2. Step 2: Convert to fraction form
    145,157,266.80/217,735,900.20 = 133,567,916.40/x
  3. Step 3: Cross multiply
    145,157,266.80x = 217,735,900.20 × 133,567,916.40
  4. Step 4: Simplify right side
    145,157,266.80x = 29,082,530,515,192,344
  5. Step 5: Solve for x
    x = 29,082,530,515,192,344/145,157,266.80
  6. Step 6: Final answer
    x = 200,351,874.60

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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.