Finding the Fourth Proportional to 81,748,035.66, 122,581,678.05 and 29,893,548.05
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Solution
The fourth proportional to 81,748,035.66, 122,581,678.05 and 29,893,548.05 is: 44,825,557.62
Step by Step Solution
- Step 1: Write the proportion equation
81,748,035.66 : 122,581,678.05 = 29,893,548.05 : x - Step 2: Convert to fraction form
81,748,035.66/122,581,678.05 = 29,893,548.05/x - Step 3: Cross multiply
81,748,035.66x = 122,581,678.05 × 29,893,548.05 - Step 4: Simplify right side
81,748,035.66x = 3,664,401,282,684,078 - Step 5: Solve for x
x = 3,664,401,282,684,078/81,748,035.66 - Step 6: Final answer
x = 44,825,557.62
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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.