Home / 140,885,187.20-211,327,780.80-50,017,961.60

Finding the Fourth Proportional to 140,885,187.20, 211,327,780.80 and 50,017,961.60

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Solution

The fourth proportional to 140,885,187.20, 211,327,780.80 and 50,017,961.60 is: 75,026,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,885,187.20 : 211,327,780.80 = 50,017,961.60 : x
  2. Step 2: Convert to fraction form
    140,885,187.20/211,327,780.80 = 50,017,961.60/x
  3. Step 3: Cross multiply
    140,885,187.20x = 211,327,780.80 × 50,017,961.60
  4. Step 4: Simplify right side
    140,885,187.20x = 10,570,184,825,067,618
  5. Step 5: Solve for x
    x = 10,570,184,825,067,618/140,885,187.20
  6. Step 6: Final answer
    x = 75,026,942.40

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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.