Finding the Fourth Proportional to 106,891,909.80, 160,337,864.70 and 53,144,197.80
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Solution
The fourth proportional to 106,891,909.80, 160,337,864.70 and 53,144,197.80 is: 79,716,296.70
Step by Step Solution
- Step 1: Write the proportion equation
106,891,909.80 : 160,337,864.70 = 53,144,197.80 : x - Step 2: Convert to fraction form
106,891,909.80/160,337,864.70 = 53,144,197.80/x - Step 3: Cross multiply
106,891,909.80x = 160,337,864.70 × 53,144,197.80 - Step 4: Simplify right side
106,891,909.80x = 8,521,027,196,446,437 - Step 5: Solve for x
x = 8,521,027,196,446,437/106,891,909.80 - Step 6: Final answer
x = 79,716,296.70
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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.