Finding the Fourth Proportional to 215,706,843.23, 323,560,264.84 and 149,701,871.03
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Solution
The fourth proportional to 215,706,843.23, 323,560,264.84 and 149,701,871.03 is: 224,552,806.54
Step by Step Solution
- Step 1: Write the proportion equation
215,706,843.23 : 323,560,264.84 = 149,701,871.03 : x - Step 2: Convert to fraction form
215,706,843.23/323,560,264.84 = 149,701,871.03/x - Step 3: Cross multiply
215,706,843.23x = 323,560,264.84 × 149,701,871.03 - Step 4: Simplify right side
215,706,843.23x = 48,437,577,035,518,264 - Step 5: Solve for x
x = 48,437,577,035,518,264/215,706,843.23 - Step 6: Final answer
x = 224,552,806.54
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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.