Finding the Fourth Proportional to 125,473,865.53, 173,146,343.79 and 69,717,379.45
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Solution
The fourth proportional to 125,473,865.53, 173,146,343.79 and 69,717,379.45 is: 96,205,766.03
Step by Step Solution
- Step 1: Write the proportion equation
125,473,865.53 : 173,146,343.79 = 69,717,379.45 : x - Step 2: Convert to fraction form
125,473,865.53/173,146,343.79 = 69,717,379.45/x - Step 3: Cross multiply
125,473,865.53x = 173,146,343.79 × 69,717,379.45 - Step 4: Simplify right side
125,473,865.53x = 12,071,309,350,387,582 - Step 5: Solve for x
x = 12,071,309,350,387,582/125,473,865.53 - Step 6: Final answer
x = 96,205,766.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.