Finding the Fourth Proportional to 243,727,083.68, 336,343,375.46 and 139,307,396.94
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Solution
The fourth proportional to 243,727,083.68, 336,343,375.46 and 139,307,396.94 is: 192,244,207.77
Step by Step Solution
- Step 1: Write the proportion equation
243,727,083.68 : 336,343,375.46 = 139,307,396.94 : x - Step 2: Convert to fraction form
243,727,083.68/336,343,375.46 = 139,307,396.94/x - Step 3: Cross multiply
243,727,083.68x = 336,343,375.46 × 139,307,396.94 - Step 4: Simplify right side
243,727,083.68x = 46,855,120,113,345,672 - Step 5: Solve for x
x = 46,855,120,113,345,672/243,727,083.68 - Step 6: Final answer
x = 192,244,207.77
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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.