Finding the Fourth Proportional to 112,107,002.40, 168,079,798.08 and 68,886,910.08
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Solution
The fourth proportional to 112,107,002.40, 168,079,798.08 and 68,886,910.08 is: 103,280,773.62
Step by Step Solution
- Step 1: Write the proportion equation
112,107,002.40 : 168,079,798.08 = 68,886,910.08 : x - Step 2: Convert to fraction form
112,107,002.40/168,079,798.08 = 68,886,910.08/x - Step 3: Cross multiply
112,107,002.40x = 168,079,798.08 × 68,886,910.08 - Step 4: Simplify right side
112,107,002.40x = 11,578,497,936,601,518 - Step 5: Solve for x
x = 11,578,497,936,601,518/112,107,002.40 - Step 6: Final answer
x = 103,280,773.62
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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.