Finding the Fourth Proportional to 86,350,663.05, 119,163,721.10 and 49,180,940.79
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Solution
The fourth proportional to 86,350,663.05, 119,163,721.10 and 49,180,940.79 is: 67,869,587.85
Step by Step Solution
- Step 1: Write the proportion equation
86,350,663.05 : 119,163,721.10 = 49,180,940.79 : x - Step 2: Convert to fraction form
86,350,663.05/119,163,721.10 = 49,180,940.79/x - Step 3: Cross multiply
86,350,663.05x = 119,163,721.10 × 49,180,940.79 - Step 4: Simplify right side
86,350,663.05x = 5,860,583,911,489,269 - Step 5: Solve for x
x = 5,860,583,911,489,269/86,350,663.05 - Step 6: Final answer
x = 67,869,587.85
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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.