Home / 80,493,683.46-111,091,321.17-45,697,638.66

Finding the Fourth Proportional to 80,493,683.46, 111,091,321.17 and 45,697,638.66

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Solution

The fourth proportional to 80,493,683.46, 111,091,321.17 and 45,697,638.66 is: 63,068,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,493,683.46 : 111,091,321.17 = 45,697,638.66 : x
  2. Step 2: Convert to fraction form
    80,493,683.46/111,091,321.17 = 45,697,638.66/x
  3. Step 3: Cross multiply
    80,493,683.46x = 111,091,321.17 × 45,697,638.66
  4. Step 4: Simplify right side
    80,493,683.46x = 5,076,611,053,088,668
  5. Step 5: Solve for x
    x = 5,076,611,053,088,668/80,493,683.46
  6. Step 6: Final answer
    x = 63,068,440.09

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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.