Home / 105,410,816.64-157,511,999.52-80,344,515.60

Finding the Fourth Proportional to 105,410,816.64, 157,511,999.52 and 80,344,515.60

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Solution

The fourth proportional to 105,410,816.64, 157,511,999.52 and 80,344,515.60 is: 120,056,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,410,816.64 : 157,511,999.52 = 80,344,515.60 : x
  2. Step 2: Convert to fraction form
    105,410,816.64/157,511,999.52 = 80,344,515.60/x
  3. Step 3: Cross multiply
    105,410,816.64x = 157,511,999.52 × 80,344,515.60
  4. Step 4: Simplify right side
    105,410,816.64x = 12,655,225,302,621,832
  5. Step 5: Solve for x
    x = 12,655,225,302,621,832/105,410,816.64
  6. Step 6: Final answer
    x = 120,056,230.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.