Finding the Fourth Proportional to 232,281,829.62, 320,557,383.11 and 126,430,132.38
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Solution
The fourth proportional to 232,281,829.62, 320,557,383.11 and 126,430,132.38 is: 174,478,186.47
Step by Step Solution
- Step 1: Write the proportion equation
232,281,829.62 : 320,557,383.11 = 126,430,132.38 : x - Step 2: Convert to fraction form
232,281,829.62/320,557,383.11 = 126,430,132.38/x - Step 3: Cross multiply
232,281,829.62x = 320,557,383.11 × 126,430,132.38 - Step 4: Simplify right side
232,281,829.62x = 40,528,112,382,194,384 - Step 5: Solve for x
x = 40,528,112,382,194,384/232,281,829.62 - Step 6: Final answer
x = 174,478,186.47
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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.