Finding the Fourth Proportional to 121,116,832.05, 181,458,735.08 and 73,707,046.05
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Solution
The fourth proportional to 121,116,832.05, 181,458,735.08 and 73,707,046.05 is: 110,428,807.59
Step by Step Solution
- Step 1: Write the proportion equation
121,116,832.05 : 181,458,735.08 = 73,707,046.05 : x - Step 2: Convert to fraction form
121,116,832.05/181,458,735.08 = 73,707,046.05/x - Step 3: Cross multiply
121,116,832.05x = 181,458,735.08 × 73,707,046.05 - Step 4: Simplify right side
121,116,832.05x = 13,374,787,342,347,774 - Step 5: Solve for x
x = 13,374,787,342,347,774/121,116,832.05 - Step 6: Final answer
x = 110,428,807.59
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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.