Finding the Fourth Proportional to 75,399,786.27, 104,052,122.28 and 42,361,428.51
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Solution
The fourth proportional to 75,399,786.27, 104,052,122.28 and 42,361,428.51 is: 58,459,005.75
Step by Step Solution
- Step 1: Write the proportion equation
75,399,786.27 : 104,052,122.28 = 42,361,428.51 : x - Step 2: Convert to fraction form
75,399,786.27/104,052,122.28 = 42,361,428.51/x - Step 3: Cross multiply
75,399,786.27x = 104,052,122.28 × 42,361,428.51 - Step 4: Simplify right side
75,399,786.27x = 4,407,796,539,277,998 - Step 5: Solve for x
x = 4,407,796,539,277,998/75,399,786.27 - Step 6: Final answer
x = 58,459,005.75
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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.