Finding the Fourth Proportional to 213,050,398.90, 294,212,604.64 and 201,443,560.68
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Solution
The fourth proportional to 213,050,398.90, 294,212,604.64 and 201,443,560.68 is: 278,184,105.65
Step by Step Solution
- Step 1: Write the proportion equation
213,050,398.90 : 294,212,604.64 = 201,443,560.68 : x - Step 2: Convert to fraction form
213,050,398.90/294,212,604.64 = 201,443,560.68/x - Step 3: Cross multiply
213,050,398.90x = 294,212,604.64 × 201,443,560.68 - Step 4: Simplify right side
213,050,398.90x = 59,267,234,675,618,688 - Step 5: Solve for x
x = 59,267,234,675,618,688/213,050,398.90 - Step 6: Final answer
x = 278,184,105.65
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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.