Home / 194,100,609.60-291,150,914.40-103,401,345.60

Finding the Fourth Proportional to 194,100,609.60, 291,150,914.40 and 103,401,345.60

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Solution

The fourth proportional to 194,100,609.60, 291,150,914.40 and 103,401,345.60 is: 155,102,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,100,609.60 : 291,150,914.40 = 103,401,345.60 : x
  2. Step 2: Convert to fraction form
    194,100,609.60/291,150,914.40 = 103,401,345.60/x
  3. Step 3: Cross multiply
    194,100,609.60x = 291,150,914.40 × 103,401,345.60
  4. Step 4: Simplify right side
    194,100,609.60x = 30,105,396,321,630,412
  5. Step 5: Solve for x
    x = 30,105,396,321,630,412/194,100,609.60
  6. Step 6: Final answer
    x = 155,102,018.40

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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.