Finding the Fourth Proportional to 106,891,319.80, 160,336,979.70 and 53,143,607.80
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Solution
The fourth proportional to 106,891,319.80, 160,336,979.70 and 53,143,607.80 is: 79,715,411.70
Step by Step Solution
- Step 1: Write the proportion equation
106,891,319.80 : 160,336,979.70 = 53,143,607.80 : x - Step 2: Convert to fraction form
106,891,319.80/160,336,979.70 = 53,143,607.80/x - Step 3: Cross multiply
106,891,319.80x = 160,336,979.70 × 53,143,607.80 - Step 4: Simplify right side
106,891,319.80x = 8,520,885,565,013,361 - Step 5: Solve for x
x = 8,520,885,565,013,361/106,891,319.80 - Step 6: Final answer
x = 79,715,411.70
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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.