Finding the Fourth Proportional to 151,276,258.53, 208,766,805.17 and 84,301,235.19
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Solution
The fourth proportional to 151,276,258.53, 208,766,805.17 and 84,301,235.19 is: 116,338,807.64
Step by Step Solution
- Step 1: Write the proportion equation
151,276,258.53 : 208,766,805.17 = 84,301,235.19 : x - Step 2: Convert to fraction form
151,276,258.53/208,766,805.17 = 84,301,235.19/x - Step 3: Cross multiply
151,276,258.53x = 208,766,805.17 × 84,301,235.19 - Step 4: Simplify right side
151,276,258.53x = 17,599,299,542,079,570 - Step 5: Solve for x
x = 17,599,299,542,079,570/151,276,258.53 - Step 6: Final answer
x = 116,338,807.64
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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.