Home / 250,936,761.60-376,405,142.40-66,703,881.60

Finding the Fourth Proportional to 250,936,761.60, 376,405,142.40 and 66,703,881.60

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Solution

The fourth proportional to 250,936,761.60, 376,405,142.40 and 66,703,881.60 is: 100,055,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,936,761.60 : 376,405,142.40 = 66,703,881.60 : x
  2. Step 2: Convert to fraction form
    250,936,761.60/376,405,142.40 = 66,703,881.60/x
  3. Step 3: Cross multiply
    250,936,761.60x = 376,405,142.40 × 66,703,881.60
  4. Step 4: Simplify right side
    250,936,761.60x = 25,107,684,052,280,740
  5. Step 5: Solve for x
    x = 25,107,684,052,280,740/250,936,761.60
  6. Step 6: Final answer
    x = 100,055,822.40

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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.