Finding the Fourth Proportional to 99,322,555.20, 148,990,130.28 and 31,167,936.96
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Solution
The fourth proportional to 99,322,555.20, 148,990,130.28 and 31,167,936.96 is: 46,753,881.62
Step by Step Solution
- Step 1: Write the proportion equation
99,322,555.20 : 148,990,130.28 = 31,167,936.96 : x - Step 2: Convert to fraction form
99,322,555.20/148,990,130.28 = 31,167,936.96/x - Step 3: Cross multiply
99,322,555.20x = 148,990,130.28 × 31,167,936.96 - Step 4: Simplify right side
99,322,555.20x = 4,643,714,988,229,227 - Step 5: Solve for x
x = 4,643,714,988,229,227/99,322,555.20 - Step 6: Final answer
x = 46,753,881.62
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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.