Home / 197,089,816.40-295,298,801.40-168,200,421.20

Finding the Fourth Proportional to 197,089,816.40, 295,298,801.40 and 168,200,421.20

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Solution

The fourth proportional to 197,089,816.40, 295,298,801.40 and 168,200,421.20 is: 252,013,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,089,816.40 : 295,298,801.40 = 168,200,421.20 : x
  2. Step 2: Convert to fraction form
    197,089,816.40/295,298,801.40 = 168,200,421.20/x
  3. Step 3: Cross multiply
    197,089,816.40x = 295,298,801.40 × 168,200,421.20
  4. Step 4: Simplify right side
    197,089,816.40x = 49,669,382,775,335,144
  5. Step 5: Solve for x
    x = 49,669,382,775,335,144/197,089,816.40
  6. Step 6: Final answer
    x = 252,013,948.17

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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.