Finding the Fourth Proportional to 115,618,743.63, 159,539,117.74 and 66,062,326.01
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Solution
The fourth proportional to 115,618,743.63, 159,539,117.74 and 66,062,326.01 is: 91,157,582.89
Step by Step Solution
- Step 1: Write the proportion equation
115,618,743.63 : 159,539,117.74 = 66,062,326.01 : x - Step 2: Convert to fraction form
115,618,743.63/159,539,117.74 = 66,062,326.01/x - Step 3: Cross multiply
115,618,743.63x = 159,539,117.74 × 66,062,326.01 - Step 4: Simplify right side
115,618,743.63x = 10,539,525,206,524,804 - Step 5: Solve for x
x = 10,539,525,206,524,804/115,618,743.63 - Step 6: Final answer
x = 91,157,582.89
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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.