Finding the Fourth Proportional to 52,994,871.80, 79,492,307.70 and 28,745,415.80
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Solution
The fourth proportional to 52,994,871.80, 79,492,307.70 and 28,745,415.80 is: 43,118,123.70
Step by Step Solution
- Step 1: Write the proportion equation
52,994,871.80 : 79,492,307.70 = 28,745,415.80 : x - Step 2: Convert to fraction form
52,994,871.80/79,492,307.70 = 28,745,415.80/x - Step 3: Cross multiply
52,994,871.80x = 79,492,307.70 × 28,745,415.80 - Step 4: Simplify right side
52,994,871.80x = 2,285,039,437,738,042 - Step 5: Solve for x
x = 2,285,039,437,738,042/52,994,871.80 - Step 6: Final answer
x = 43,118,123.70
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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.