Finding the Fourth Proportional to 81,082,699.48, 121,639,696.98 and 26,480,605.96
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Solution
The fourth proportional to 81,082,699.48, 121,639,696.98 and 26,480,605.96 is: 39,726,019.30
Step by Step Solution
- Step 1: Write the proportion equation
81,082,699.48 : 121,639,696.98 = 26,480,605.96 : x - Step 2: Convert to fraction form
81,082,699.48/121,639,696.98 = 26,480,605.96/x - Step 3: Cross multiply
81,082,699.48x = 121,639,696.98 × 26,480,605.96 - Step 4: Simplify right side
81,082,699.48x = 3,221,092,884,821,182 - Step 5: Solve for x
x = 3,221,092,884,821,182/81,082,699.48 - Step 6: Final answer
x = 39,726,019.30
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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.