Finding the Fourth Proportional to 149,685,162.74, 206,563,326.24 and 83,606,625.33
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Solution
The fourth proportional to 149,685,162.74, 206,563,326.24 and 83,606,625.33 is: 115,375,915.07
Step by Step Solution
- Step 1: Write the proportion equation
149,685,162.74 : 206,563,326.24 = 83,606,625.33 : x - Step 2: Convert to fraction form
149,685,162.74/206,563,326.24 = 83,606,625.33/x - Step 3: Cross multiply
149,685,162.74x = 206,563,326.24 × 83,606,625.33 - Step 4: Simplify right side
149,685,162.74x = 17,270,062,623,983,804 - Step 5: Solve for x
x = 17,270,062,623,983,804/149,685,162.74 - Step 6: Final answer
x = 115,375,915.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.