Home / 196,254,919.74-270,833,580.40-108,152,078.55

Finding the Fourth Proportional to 196,254,919.74, 270,833,580.40 and 108,152,078.55

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Solution

The fourth proportional to 196,254,919.74, 270,833,580.40 and 108,152,078.55 is: 149,250,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,254,919.74 : 270,833,580.40 = 108,152,078.55 : x
  2. Step 2: Convert to fraction form
    196,254,919.74/270,833,580.40 = 108,152,078.55/x
  3. Step 3: Cross multiply
    196,254,919.74x = 270,833,580.40 × 108,152,078.55
  4. Step 4: Simplify right side
    196,254,919.74x = 29,291,214,660,315,864
  5. Step 5: Solve for x
    x = 29,291,214,660,315,864/196,254,919.74
  6. Step 6: Final answer
    x = 149,250,855.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.