Finding the Fourth Proportional to 80,207,104.76, 120,103,454.88 and 55,356,197.48
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Solution
The fourth proportional to 80,207,104.76, 120,103,454.88 and 55,356,197.48 is: 82,891,292.31
Step by Step Solution
- Step 1: Write the proportion equation
80,207,104.76 : 120,103,454.88 = 55,356,197.48 : x - Step 2: Convert to fraction form
80,207,104.76/120,103,454.88 = 55,356,197.48/x - Step 3: Cross multiply
80,207,104.76x = 120,103,454.88 × 55,356,197.48 - Step 4: Simplify right side
80,207,104.76x = 6,648,470,566,367,549 - Step 5: Solve for x
x = 6,648,470,566,367,549/80,207,104.76 - Step 6: Final answer
x = 82,891,292.31
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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.