Finding the Fourth Proportional to 217,567,349.82, 326,351,024.73 and 71,961,788.70
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Solution
The fourth proportional to 217,567,349.82, 326,351,024.73 and 71,961,788.70 is: 107,942,683.05
Step by Step Solution
- Step 1: Write the proportion equation
217,567,349.82 : 326,351,024.73 = 71,961,788.70 : x - Step 2: Convert to fraction form
217,567,349.82/326,351,024.73 = 71,961,788.70/x - Step 3: Cross multiply
217,567,349.82x = 326,351,024.73 × 71,961,788.70 - Step 4: Simplify right side
217,567,349.82x = 23,484,803,483,648,736 - Step 5: Solve for x
x = 23,484,803,483,648,736/217,567,349.82 - Step 6: Final answer
x = 107,942,683.05
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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.