Finding the Fourth Proportional to 99,376,966.62, 149,080,496.49 and 31,213,250.46
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Solution
The fourth proportional to 99,376,966.62, 149,080,496.49 and 31,213,250.46 is: 46,824,601.65
Step by Step Solution
- Step 1: Write the proportion equation
99,376,966.62 : 149,080,496.49 = 31,213,250.46 : x - Step 2: Convert to fraction form
99,376,966.62/149,080,496.49 = 31,213,250.46/x - Step 3: Cross multiply
99,376,966.62x = 149,080,496.49 × 31,213,250.46 - Step 4: Simplify right side
99,376,966.62x = 4,653,286,875,643,521 - Step 5: Solve for x
x = 4,653,286,875,643,521/99,376,966.62 - Step 6: Final answer
x = 46,824,601.65
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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.