Finding the Fourth Proportional to 99,192,922.84, 148,789,859.55 and 30,106,326.14
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Solution
The fourth proportional to 99,192,922.84, 148,789,859.55 and 30,106,326.14 is: 45,159,633.47
Step by Step Solution
- Step 1: Write the proportion equation
99,192,922.84 : 148,789,859.55 = 30,106,326.14 : x - Step 2: Convert to fraction form
99,192,922.84/148,789,859.55 = 30,106,326.14/x - Step 3: Cross multiply
99,192,922.84x = 148,789,859.55 × 30,106,326.14 - Step 4: Simplify right side
99,192,922.84x = 4,479,516,037,638,207.50 - Step 5: Solve for x
x = 4,479,516,037,638,207.50/99,192,922.84 - Step 6: Final answer
x = 45,159,633.47
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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.