Home / 196,830,129.60-295,245,194.40-145,811,793.60

Finding the Fourth Proportional to 196,830,129.60, 295,245,194.40 and 145,811,793.60

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Solution

The fourth proportional to 196,830,129.60, 295,245,194.40 and 145,811,793.60 is: 218,717,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,830,129.60 : 295,245,194.40 = 145,811,793.60 : x
  2. Step 2: Convert to fraction form
    196,830,129.60/295,245,194.40 = 145,811,793.60/x
  3. Step 3: Cross multiply
    196,830,129.60x = 295,245,194.40 × 145,811,793.60
  4. Step 4: Simplify right side
    196,830,129.60x = 43,050,231,347,244,672
  5. Step 5: Solve for x
    x = 43,050,231,347,244,672/196,830,129.60
  6. Step 6: Final answer
    x = 218,717,690.40

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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.