Home / 217,865,475.60-326,420,299.80-141,149,014.80

Finding the Fourth Proportional to 217,865,475.60, 326,420,299.80 and 141,149,014.80

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Solution

The fourth proportional to 217,865,475.60, 326,420,299.80 and 141,149,014.80 is: 211,478,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,865,475.60 : 326,420,299.80 = 141,149,014.80 : x
  2. Step 2: Convert to fraction form
    217,865,475.60/326,420,299.80 = 141,149,014.80/x
  3. Step 3: Cross multiply
    217,865,475.60x = 326,420,299.80 × 141,149,014.80
  4. Step 4: Simplify right side
    217,865,475.60x = 46,073,903,727,490,640
  5. Step 5: Solve for x
    x = 46,073,903,727,490,640/217,865,475.60
  6. Step 6: Final answer
    x = 211,478,682.43

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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.