Finding the Fourth Proportional to 151,529,293.24, 209,167,290.66 and 99,321,693.36
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Solution
The fourth proportional to 151,529,293.24, 209,167,290.66 and 99,321,693.36 is: 137,101,210.33
Step by Step Solution
- Step 1: Write the proportion equation
151,529,293.24 : 209,167,290.66 = 99,321,693.36 : x - Step 2: Convert to fraction form
151,529,293.24/209,167,290.66 = 99,321,693.36/x - Step 3: Cross multiply
151,529,293.24x = 209,167,290.66 × 99,321,693.36 - Step 4: Simplify right side
151,529,293.24x = 20,774,849,503,874,512 - Step 5: Solve for x
x = 20,774,849,503,874,512/151,529,293.24 - Step 6: Final answer
x = 137,101,210.33
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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.