Finding the Fourth Proportional to 251,701,747.79, 347,365,869.53 and 152,586,672.68
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Solution
The fourth proportional to 251,701,747.79, 347,365,869.53 and 152,586,672.68 is: 210,580,191.44
Step by Step Solution
- Step 1: Write the proportion equation
251,701,747.79 : 347,365,869.53 = 152,586,672.68 : x - Step 2: Convert to fraction form
251,701,747.79/347,365,869.53 = 152,586,672.68/x - Step 3: Cross multiply
251,701,747.79x = 347,365,869.53 × 152,586,672.68 - Step 4: Simplify right side
251,701,747.79x = 53,003,402,234,283,176 - Step 5: Solve for x
x = 53,003,402,234,283,176/251,701,747.79 - Step 6: Final answer
x = 210,580,191.44
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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.