Finding the Fourth Proportional to 80,243,892.68, 110,734,990.26 and 47,207,712.20
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Solution
The fourth proportional to 80,243,892.68, 110,734,990.26 and 47,207,712.20 is: 65,145,712.35
Step by Step Solution
- Step 1: Write the proportion equation
80,243,892.68 : 110,734,990.26 = 47,207,712.20 : x - Step 2: Convert to fraction form
80,243,892.68/110,734,990.26 = 47,207,712.20/x - Step 3: Cross multiply
80,243,892.68x = 110,734,990.26 × 47,207,712.20 - Step 4: Simplify right side
80,243,892.68x = 5,227,545,550,663,884 - Step 5: Solve for x
x = 5,227,545,550,663,884/80,243,892.68 - Step 6: Final answer
x = 65,145,712.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.