Finding the Fourth Proportional to 112,106,933.40, 168,079,694.58 and 68,886,840.36
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Solution
The fourth proportional to 112,106,933.40, 168,079,694.58 and 68,886,840.36 is: 103,280,669.06
Step by Step Solution
- Step 1: Write the proportion equation
112,106,933.40 : 168,079,694.58 = 68,886,840.36 : x - Step 2: Convert to fraction form
112,106,933.40/168,079,694.58 = 68,886,840.36/x - Step 3: Cross multiply
112,106,933.40x = 168,079,694.58 × 68,886,840.36 - Step 4: Simplify right side
112,106,933.40x = 11,578,479,088,290,018 - Step 5: Solve for x
x = 11,578,479,088,290,018/112,106,933.40 - Step 6: Final answer
x = 103,280,669.06
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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.