Finding the Fourth Proportional to 75,637,476.74, 113,370,151.60 and 46,028,362.81
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Solution
The fourth proportional to 75,637,476.74, 113,370,151.60 and 46,028,362.81 is: 68,990,171.20
Step by Step Solution
- Step 1: Write the proportion equation
75,637,476.74 : 113,370,151.60 = 46,028,362.81 : x - Step 2: Convert to fraction form
75,637,476.74/113,370,151.60 = 46,028,362.81/x - Step 3: Cross multiply
75,637,476.74x = 113,370,151.60 × 46,028,362.81 - Step 4: Simplify right side
75,637,476.74x = 5,218,242,469,669,502 - Step 5: Solve for x
x = 5,218,242,469,669,502/75,637,476.74 - Step 6: Final answer
x = 68,990,171.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.