Home / 197,089,815.40-295,298,799.90-168,200,420.20

Finding the Fourth Proportional to 197,089,815.40, 295,298,799.90 and 168,200,420.20

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Solution

The fourth proportional to 197,089,815.40, 295,298,799.90 and 168,200,420.20 is: 252,013,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,089,815.40 : 295,298,799.90 = 168,200,420.20 : x
  2. Step 2: Convert to fraction form
    197,089,815.40/295,298,799.90 = 168,200,420.20/x
  3. Step 3: Cross multiply
    197,089,815.40x = 295,298,799.90 × 168,200,420.20
  4. Step 4: Simplify right side
    197,089,815.40x = 49,669,382,227,735,712
  5. Step 5: Solve for x
    x = 49,669,382,227,735,712/197,089,815.40
  6. Step 6: Final answer
    x = 252,013,946.67

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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.