Finding the Fourth Proportional to 85,515,246.80, 128,260,428.60 and 24,924,654.80
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Solution
The fourth proportional to 85,515,246.80, 128,260,428.60 and 24,924,654.80 is: 37,383,355.92
Step by Step Solution
- Step 1: Write the proportion equation
85,515,246.80 : 128,260,428.60 = 24,924,654.80 : x - Step 2: Convert to fraction form
85,515,246.80/128,260,428.60 = 24,924,654.80/x - Step 3: Cross multiply
85,515,246.80x = 128,260,428.60 × 24,924,654.80 - Step 4: Simplify right side
85,515,246.80x = 3,196,846,907,355,047 - Step 5: Solve for x
x = 3,196,846,907,355,047/85,515,246.80 - Step 6: Final answer
x = 37,383,355.92
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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.