Finding the Fourth Proportional to 251,701,707.29, 347,365,813.64 and 152,586,632.18
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Solution
The fourth proportional to 251,701,707.29, 347,365,813.64 and 152,586,632.18 is: 210,580,135.55
Step by Step Solution
- Step 1: Write the proportion equation
251,701,707.29 : 347,365,813.64 = 152,586,632.18 : x - Step 2: Convert to fraction form
251,701,707.29/347,365,813.64 = 152,586,632.18/x - Step 3: Cross multiply
251,701,707.29x = 347,365,813.64 × 152,586,632.18 - Step 4: Simplify right side
251,701,707.29x = 53,003,379,637,898,592 - Step 5: Solve for x
x = 53,003,379,637,898,592/251,701,707.29 - Step 6: Final answer
x = 210,580,135.55
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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.