Home / 118,135,091.20-177,149,492.70-45,327,674.20

Finding the Fourth Proportional to 118,135,091.20, 177,149,492.70 and 45,327,674.20

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Solution

The fourth proportional to 118,135,091.20, 177,149,492.70 and 45,327,674.20 is: 67,971,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,135,091.20 : 177,149,492.70 = 45,327,674.20 : x
  2. Step 2: Convert to fraction form
    118,135,091.20/177,149,492.70 = 45,327,674.20/x
  3. Step 3: Cross multiply
    118,135,091.20x = 177,149,492.70 × 45,327,674.20
  4. Step 4: Simplify right side
    118,135,091.20x = 8,029,774,489,800,878
  5. Step 5: Solve for x
    x = 8,029,774,489,800,878/118,135,091.20
  6. Step 6: Final answer
    x = 67,971,120.25

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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.