Finding the Fourth Proportional to 100,794,878.96, 151,069,487.88 and 52,245,967.28
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Solution
The fourth proportional to 100,794,878.96, 151,069,487.88 and 52,245,967.28 is: 78,305,282.99
Step by Step Solution
- Step 1: Write the proportion equation
100,794,878.96 : 151,069,487.88 = 52,245,967.28 : x - Step 2: Convert to fraction form
100,794,878.96/151,069,487.88 = 52,245,967.28/x - Step 3: Cross multiply
100,794,878.96x = 151,069,487.88 × 52,245,967.28 - Step 4: Simplify right side
100,794,878.96x = 7,892,771,520,784,836 - Step 5: Solve for x
x = 7,892,771,520,784,836/100,794,878.96 - Step 6: Final answer
x = 78,305,282.99
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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.