Home / 80,493,815.96-111,091,503.54-45,697,771.16

Finding the Fourth Proportional to 80,493,815.96, 111,091,503.54 and 45,697,771.16

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Solution

The fourth proportional to 80,493,815.96, 111,091,503.54 and 45,697,771.16 is: 63,068,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,493,815.96 : 111,091,503.54 = 45,697,771.16 : x
  2. Step 2: Convert to fraction form
    80,493,815.96/111,091,503.54 = 45,697,771.16/x
  3. Step 3: Cross multiply
    80,493,815.96x = 111,091,503.54 × 45,697,771.16
  4. Step 4: Simplify right side
    80,493,815.96x = 5,076,634,106,591,250
  5. Step 5: Solve for x
    x = 5,076,634,106,591,250/80,493,815.96
  6. Step 6: Final answer
    x = 63,068,622.68

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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.