Finding the Fourth Proportional to 171,350,851.84, 236,658,867.36 and 115,499,945.68
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Solution
The fourth proportional to 171,350,851.84, 236,658,867.36 and 115,499,945.68 is: 159,521,158.09
Step by Step Solution
- Step 1: Write the proportion equation
171,350,851.84 : 236,658,867.36 = 115,499,945.68 : x - Step 2: Convert to fraction form
171,350,851.84/236,658,867.36 = 115,499,945.68/x - Step 3: Cross multiply
171,350,851.84x = 236,658,867.36 × 115,499,945.68 - Step 4: Simplify right side
171,350,851.84x = 27,334,086,324,770,328 - Step 5: Solve for x
x = 27,334,086,324,770,328/171,350,851.84 - Step 6: Final answer
x = 159,521,158.09
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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.