Home / 70,015,863.87-105,019,999.32-21,493,725.93

Finding the Fourth Proportional to 70,015,863.87, 105,019,999.32 and 21,493,725.93

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Solution

The fourth proportional to 70,015,863.87, 105,019,999.32 and 21,493,725.93 is: 32,239,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,015,863.87 : 105,019,999.32 = 21,493,725.93 : x
  2. Step 2: Convert to fraction form
    70,015,863.87/105,019,999.32 = 21,493,725.93/x
  3. Step 3: Cross multiply
    70,015,863.87x = 105,019,999.32 × 21,493,725.93
  4. Step 4: Simplify right side
    70,015,863.87x = 2,257,271,082,027,766.50
  5. Step 5: Solve for x
    x = 2,257,271,082,027,766.50/70,015,863.87
  6. Step 6: Final answer
    x = 32,239,423.43

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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.