Home / 217,764,014.60-326,646,021.90-140,669,640.20

Finding the Fourth Proportional to 217,764,014.60, 326,646,021.90 and 140,669,640.20

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Solution

The fourth proportional to 217,764,014.60, 326,646,021.90 and 140,669,640.20 is: 211,004,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,764,014.60 : 326,646,021.90 = 140,669,640.20 : x
  2. Step 2: Convert to fraction form
    217,764,014.60/326,646,021.90 = 140,669,640.20/x
  3. Step 3: Cross multiply
    217,764,014.60x = 326,646,021.90 × 140,669,640.20
  4. Step 4: Simplify right side
    217,764,014.60x = 45,949,178,373,434,312
  5. Step 5: Solve for x
    x = 45,949,178,373,434,312/217,764,014.60
  6. Step 6: Final answer
    x = 211,004,460.30

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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.