Finding the Fourth Proportional to 181,448,909.70, 272,173,364.55 and 104,921,405.70
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Solution
The fourth proportional to 181,448,909.70, 272,173,364.55 and 104,921,405.70 is: 157,382,108.55
Step by Step Solution
- Step 1: Write the proportion equation
181,448,909.70 : 272,173,364.55 = 104,921,405.70 : x - Step 2: Convert to fraction form
181,448,909.70/272,173,364.55 = 104,921,405.70/x - Step 3: Cross multiply
181,448,909.70x = 272,173,364.55 × 104,921,405.70 - Step 4: Simplify right side
181,448,909.70x = 28,556,812,002,684,548 - Step 5: Solve for x
x = 28,556,812,002,684,548/181,448,909.70 - Step 6: Final answer
x = 157,382,108.55
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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.