Finding the Fourth Proportional to 76,806,540.73, 115,209,927.74 and 31,368,335.23
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Solution
The fourth proportional to 76,806,540.73, 115,209,927.74 and 31,368,335.23 is: 47,052,550.48
Step by Step Solution
- Step 1: Write the proportion equation
76,806,540.73 : 115,209,927.74 = 31,368,335.23 : x - Step 2: Convert to fraction form
76,806,540.73/115,209,927.74 = 31,368,335.23/x - Step 3: Cross multiply
76,806,540.73x = 115,209,927.74 × 31,368,335.23 - Step 4: Simplify right side
76,806,540.73x = 3,613,943,635,172,396 - Step 5: Solve for x
x = 3,613,943,635,172,396/76,806,540.73 - Step 6: Final answer
x = 47,052,550.48
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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.