Home / 80,493,816.96-111,091,504.92-45,697,772.16

Finding the Fourth Proportional to 80,493,816.96, 111,091,504.92 and 45,697,772.16

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Solution

The fourth proportional to 80,493,816.96, 111,091,504.92 and 45,697,772.16 is: 63,068,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,493,816.96 : 111,091,504.92 = 45,697,772.16 : x
  2. Step 2: Convert to fraction form
    80,493,816.96/111,091,504.92 = 45,697,772.16/x
  3. Step 3: Cross multiply
    80,493,816.96x = 111,091,504.92 × 45,697,772.16
  4. Step 4: Simplify right side
    80,493,816.96x = 5,076,634,280,745,679
  5. Step 5: Solve for x
    x = 5,076,634,280,745,679/80,493,816.96
  6. Step 6: Final answer
    x = 63,068,624.06

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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.