Finding the Fourth Proportional to 64,165,083.60, 96,261,622.20 and 18,723,176.40
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Solution
The fourth proportional to 64,165,083.60, 96,261,622.20 and 18,723,176.40 is: 28,088,848.82
Step by Step Solution
- Step 1: Write the proportion equation
64,165,083.60 : 96,261,622.20 = 18,723,176.40 : x - Step 2: Convert to fraction form
64,165,083.60/96,261,622.20 = 18,723,176.40/x - Step 3: Cross multiply
64,165,083.60x = 96,261,622.20 × 18,723,176.40 - Step 4: Simplify right side
64,165,083.60x = 1,802,323,333,000,756 - Step 5: Solve for x
x = 1,802,323,333,000,756/64,165,083.60 - Step 6: Final answer
x = 28,088,848.82
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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.