Home / 217,747,467.60-326,621,201.40-148,771,237.20

Finding the Fourth Proportional to 217,747,467.60, 326,621,201.40 and 148,771,237.20

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Solution

The fourth proportional to 217,747,467.60, 326,621,201.40 and 148,771,237.20 is: 223,156,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,747,467.60 : 326,621,201.40 = 148,771,237.20 : x
  2. Step 2: Convert to fraction form
    217,747,467.60/326,621,201.40 = 148,771,237.20/x
  3. Step 3: Cross multiply
    217,747,467.60x = 326,621,201.40 × 148,771,237.20
  4. Step 4: Simplify right side
    217,747,467.60x = 48,591,840,228,028,368
  5. Step 5: Solve for x
    x = 48,591,840,228,028,368/217,747,467.60
  6. Step 6: Final answer
    x = 223,156,855.80

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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.