Finding the Fourth Proportional to 212,219,210.97, 318,328,816.46 and 58,865,267.61
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Solution
The fourth proportional to 212,219,210.97, 318,328,816.46 and 58,865,267.61 is: 88,297,901.42
Step by Step Solution
- Step 1: Write the proportion equation
212,219,210.97 : 318,328,816.46 = 58,865,267.61 : x - Step 2: Convert to fraction form
212,219,210.97/318,328,816.46 = 58,865,267.61/x - Step 3: Cross multiply
212,219,210.97x = 318,328,816.46 × 58,865,267.61 - Step 4: Simplify right side
212,219,210.97x = 18,738,510,968,598,144 - Step 5: Solve for x
x = 18,738,510,968,598,144/212,219,210.97 - Step 6: Final answer
x = 88,297,901.42
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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.