Finding the Fourth Proportional to 64,736,979.20, 97,142,793.60 and 24,376,428.80
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Solution
The fourth proportional to 64,736,979.20, 97,142,793.60 and 24,376,428.80 is: 36,578,697.69
Step by Step Solution
- Step 1: Write the proportion equation
64,736,979.20 : 97,142,793.60 = 24,376,428.80 : x - Step 2: Convert to fraction form
64,736,979.20/97,142,793.60 = 24,376,428.80/x - Step 3: Cross multiply
64,736,979.20x = 97,142,793.60 × 24,376,428.80 - Step 4: Simplify right side
64,736,979.20x = 2,367,994,391,623,495.50 - Step 5: Solve for x
x = 2,367,994,391,623,495.50/64,736,979.20 - Step 6: Final answer
x = 36,578,697.69
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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.