Finding the Fourth Proportional to 239,590,283.80, 359,534,207.28 and 153,390,553.60
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Solution
The fourth proportional to 239,590,283.80, 359,534,207.28 and 153,390,553.60 is: 230,181,083.38
Step by Step Solution
- Step 1: Write the proportion equation
239,590,283.80 : 359,534,207.28 = 153,390,553.60 : x - Step 2: Convert to fraction form
239,590,283.80/359,534,207.28 = 153,390,553.60/x - Step 3: Cross multiply
239,590,283.80x = 359,534,207.28 × 153,390,553.60 - Step 4: Simplify right side
239,590,283.80x = 55,149,151,092,816,344 - Step 5: Solve for x
x = 55,149,151,092,816,344/239,590,283.80 - Step 6: Final answer
x = 230,181,083.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.