Finding the Fourth Proportional to 81,446,451.93, 122,006,104.25 and 37,665,844.11
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Solution
The fourth proportional to 81,446,451.93, 122,006,104.25 and 37,665,844.11 is: 56,423,119.66
Step by Step Solution
- Step 1: Write the proportion equation
81,446,451.93 : 122,006,104.25 = 37,665,844.11 : x - Step 2: Convert to fraction form
81,446,451.93/122,006,104.25 = 37,665,844.11/x - Step 3: Cross multiply
81,446,451.93x = 122,006,104.25 × 37,665,844.11 - Step 4: Simplify right side
81,446,451.93x = 4,595,462,902,960,579 - Step 5: Solve for x
x = 4,595,462,902,960,579/81,446,451.93 - Step 6: Final answer
x = 56,423,119.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.