Home / 50,863,946.40-76,295,919.60-45,321,213.60

Finding the Fourth Proportional to 50,863,946.40, 76,295,919.60 and 45,321,213.60

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Solution

The fourth proportional to 50,863,946.40, 76,295,919.60 and 45,321,213.60 is: 67,981,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,863,946.40 : 76,295,919.60 = 45,321,213.60 : x
  2. Step 2: Convert to fraction form
    50,863,946.40/76,295,919.60 = 45,321,213.60/x
  3. Step 3: Cross multiply
    50,863,946.40x = 76,295,919.60 × 45,321,213.60
  4. Step 4: Simplify right side
    50,863,946.40x = 3,457,823,669,000,026.50
  5. Step 5: Solve for x
    x = 3,457,823,669,000,026.50/50,863,946.40
  6. Step 6: Final answer
    x = 67,981,820.40

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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.