Finding the Fourth Proportional to 232,404,505.21, 320,707,871.80 and 133,214,142.84
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Solution
The fourth proportional to 232,404,505.21, 320,707,871.80 and 133,214,142.84 is: 183,829,587.15
Step by Step Solution
- Step 1: Write the proportion equation
232,404,505.21 : 320,707,871.80 = 133,214,142.84 : x - Step 2: Convert to fraction form
232,404,505.21/320,707,871.80 = 133,214,142.84/x - Step 3: Cross multiply
232,404,505.21x = 320,707,871.80 × 133,214,142.84 - Step 4: Simplify right side
232,404,505.21x = 42,722,824,243,877,608 - Step 5: Solve for x
x = 42,722,824,243,877,608/232,404,505.21 - Step 6: Final answer
x = 183,829,587.15
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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.