Finding the Fourth Proportional to 243,232,289.96, 335,658,888.74 and 131,720,578.97
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Solution
The fourth proportional to 243,232,289.96, 335,658,888.74 and 131,720,578.97 is: 181,773,493.84
Step by Step Solution
- Step 1: Write the proportion equation
243,232,289.96 : 335,658,888.74 = 131,720,578.97 : x - Step 2: Convert to fraction form
243,232,289.96/335,658,888.74 = 131,720,578.97/x - Step 3: Cross multiply
243,232,289.96x = 335,658,888.74 × 131,720,578.97 - Step 4: Simplify right side
243,232,289.96x = 44,213,183,159,910,624 - Step 5: Solve for x
x = 44,213,183,159,910,624/243,232,289.96 - Step 6: Final answer
x = 181,773,493.84
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1.5x scale
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.