Home / 407,260,080.70-610,890,121.05-134,630,847.70

Finding the Fourth Proportional to 407,260,080.70, 610,890,121.05 and 134,630,847.70

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Solution

The fourth proportional to 407,260,080.70, 610,890,121.05 and 134,630,847.70 is: 201,946,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,260,080.70 : 610,890,121.05 = 134,630,847.70 : x
  2. Step 2: Convert to fraction form
    407,260,080.70/610,890,121.05 = 134,630,847.70/x
  3. Step 3: Cross multiply
    407,260,080.70x = 610,890,121.05 × 134,630,847.70
  4. Step 4: Simplify right side
    407,260,080.70x = 82,244,654,848,517,104
  5. Step 5: Solve for x
    x = 82,244,654,848,517,104/407,260,080.70
  6. Step 6: Final answer
    x = 201,946,271.55

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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.