Finding the Fourth Proportional to 129,831,814.82, 194,578,153.18 and 99,013,551.24
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Solution
The fourth proportional to 129,831,814.82, 194,578,153.18 and 99,013,551.24 is: 148,391,008.53
Step by Step Solution
- Step 1: Write the proportion equation
129,831,814.82 : 194,578,153.18 = 99,013,551.24 : x - Step 2: Convert to fraction form
129,831,814.82/194,578,153.18 = 99,013,551.24/x - Step 3: Cross multiply
129,831,814.82x = 194,578,153.18 × 99,013,551.24 - Step 4: Simplify right side
129,831,814.82x = 19,265,873,940,072,500 - Step 5: Solve for x
x = 19,265,873,940,072,500/129,831,814.82 - Step 6: Final answer
x = 148,391,008.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.