Finding the Fourth Proportional to 87,243,526.68, 120,402,989.11 and 48,092,268.21
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Solution
The fourth proportional to 87,243,526.68, 120,402,989.11 and 48,092,268.21 is: 66,371,145.98
Step by Step Solution
- Step 1: Write the proportion equation
87,243,526.68 : 120,402,989.11 = 48,092,268.21 : x - Step 2: Convert to fraction form
87,243,526.68/120,402,989.11 = 48,092,268.21/x - Step 3: Cross multiply
87,243,526.68x = 120,402,989.11 × 48,092,268.21 - Step 4: Simplify right side
87,243,526.68x = 5,790,452,844,902,154 - Step 5: Solve for x
x = 5,790,452,844,902,154/87,243,526.68 - Step 6: Final answer
x = 66,371,145.98
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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.