Home / 203,430,154.40-305,145,231.60-65,255,494.40

Finding the Fourth Proportional to 203,430,154.40, 305,145,231.60 and 65,255,494.40

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Solution

The fourth proportional to 203,430,154.40, 305,145,231.60 and 65,255,494.40 is: 97,883,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,430,154.40 : 305,145,231.60 = 65,255,494.40 : x
  2. Step 2: Convert to fraction form
    203,430,154.40/305,145,231.60 = 65,255,494.40/x
  3. Step 3: Cross multiply
    203,430,154.40x = 305,145,231.60 × 65,255,494.40
  4. Step 4: Simplify right side
    203,430,154.40x = 19,912,402,951,860,504
  5. Step 5: Solve for x
    x = 19,912,402,951,860,504/203,430,154.40
  6. Step 6: Final answer
    x = 97,883,241.60

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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.