Finding the Fourth Proportional to 206,291,381.34, 285,090,393.24 and 169,062,955.14
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Solution
The fourth proportional to 206,291,381.34, 285,090,393.24 and 169,062,955.14 is: 233,641,483.47
Step by Step Solution
- Step 1: Write the proportion equation
206,291,381.34 : 285,090,393.24 = 169,062,955.14 : x - Step 2: Convert to fraction form
206,291,381.34/285,090,393.24 = 169,062,955.14/x - Step 3: Cross multiply
206,291,381.34x = 285,090,393.24 × 169,062,955.14 - Step 4: Simplify right side
206,291,381.34x = 48,198,224,363,179,080 - Step 5: Solve for x
x = 48,198,224,363,179,080/206,291,381.34 - Step 6: Final answer
x = 233,641,483.47
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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.