Home / 389,682,481.08-537,757,539.80-211,061,925.96

Finding the Fourth Proportional to 389,682,481.08, 537,757,539.80 and 211,061,925.96

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Solution

The fourth proportional to 389,682,481.08, 537,757,539.80 and 211,061,925.96 is: 291,263,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,682,481.08 : 537,757,539.80 = 211,061,925.96 : x
  2. Step 2: Convert to fraction form
    389,682,481.08/537,757,539.80 = 211,061,925.96/x
  3. Step 3: Cross multiply
    389,682,481.08x = 537,757,539.80 × 211,061,925.96
  4. Step 4: Simplify right side
    389,682,481.08x = 113,500,142,051,755,936
  5. Step 5: Solve for x
    x = 113,500,142,051,755,936/389,682,481.08
  6. Step 6: Final answer
    x = 291,263,137.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.