Finding the Fourth Proportional to 51,674,657.94, 71,296,231.41 and 30,749,202.18
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Solution
The fourth proportional to 51,674,657.94, 71,296,231.41 and 30,749,202.18 is: 42,425,094.27
Step by Step Solution
- Step 1: Write the proportion equation
51,674,657.94 : 71,296,231.41 = 30,749,202.18 : x - Step 2: Convert to fraction form
51,674,657.94/71,296,231.41 = 30,749,202.18/x - Step 3: Cross multiply
51,674,657.94x = 71,296,231.41 × 30,749,202.18 - Step 4: Simplify right side
51,674,657.94x = 2,192,302,234,298,156.25 - Step 5: Solve for x
x = 2,192,302,234,298,156.25/51,674,657.94 - Step 6: Final answer
x = 42,425,094.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.