Finding the Fourth Proportional to 112,985,815.80, 169,251,860.34 and 95,639,737.08
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Solution
The fourth proportional to 112,985,815.80, 169,251,860.34 and 95,639,737.08 is: 143,267,571.32
Step by Step Solution
- Step 1: Write the proportion equation
112,985,815.80 : 169,251,860.34 = 95,639,737.08 : x - Step 2: Convert to fraction form
112,985,815.80/169,251,860.34 = 95,639,737.08/x - Step 3: Cross multiply
112,985,815.80x = 169,251,860.34 × 95,639,737.08 - Step 4: Simplify right side
112,985,815.80x = 16,187,203,423,218,480 - Step 5: Solve for x
x = 16,187,203,423,218,480/112,985,815.80 - Step 6: Final answer
x = 143,267,571.32
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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.