Finding the Fourth Proportional to 86,466,138.18, 129,701,684.48 and 33,941,623.65
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Solution
The fourth proportional to 86,466,138.18, 129,701,684.48 and 33,941,623.65 is: 50,913,407.88
Step by Step Solution
- Step 1: Write the proportion equation
86,466,138.18 : 129,701,684.48 = 33,941,623.65 : x - Step 2: Convert to fraction form
86,466,138.18/129,701,684.48 = 33,941,623.65/x - Step 3: Cross multiply
86,466,138.18x = 129,701,684.48 × 33,941,623.65 - Step 4: Simplify right side
86,466,138.18x = 4,402,285,761,391,206 - Step 5: Solve for x
x = 4,402,285,761,391,206/86,466,138.18 - Step 6: Final answer
x = 50,913,407.88
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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.