Finding the Fourth Proportional to 81,227,666.44, 121,829,535.53 and 26,646,019.75
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Solution
The fourth proportional to 81,227,666.44, 121,829,535.53 and 26,646,019.75 is: 39,965,104.89
Step by Step Solution
- Step 1: Write the proportion equation
81,227,666.44 : 121,829,535.53 = 26,646,019.75 : x - Step 2: Convert to fraction form
81,227,666.44/121,829,535.53 = 26,646,019.75/x - Step 3: Cross multiply
81,227,666.44x = 121,829,535.53 × 26,646,019.75 - Step 4: Simplify right side
81,227,666.44x = 3,246,272,209,123,329 - Step 5: Solve for x
x = 3,246,272,209,123,329/81,227,666.44 - Step 6: Final answer
x = 39,965,104.89
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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.