Finding the Fourth Proportional to 99,682,857.70, 149,417,998.35 and 38,248,278.10
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Solution
The fourth proportional to 99,682,857.70, 149,417,998.35 and 38,248,278.10 is: 57,331,634.40
Step by Step Solution
- Step 1: Write the proportion equation
99,682,857.70 : 149,417,998.35 = 38,248,278.10 : x - Step 2: Convert to fraction form
99,682,857.70/149,417,998.35 = 38,248,278.10/x - Step 3: Cross multiply
99,682,857.70x = 149,417,998.35 × 38,248,278.10 - Step 4: Simplify right side
99,682,857.70x = 5,714,981,154,036,141 - Step 5: Solve for x
x = 5,714,981,154,036,141/99,682,857.70 - Step 6: Final answer
x = 57,331,634.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.