Finding the Fourth Proportional to 191,442,643.08, 264,313,031.34 and 156,244,531.98
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Solution
The fourth proportional to 191,442,643.08, 264,313,031.34 and 156,244,531.98 is: 215,717,173.63
Step by Step Solution
- Step 1: Write the proportion equation
191,442,643.08 : 264,313,031.34 = 156,244,531.98 : x - Step 2: Convert to fraction form
191,442,643.08/264,313,031.34 = 156,244,531.98/x - Step 3: Cross multiply
191,442,643.08x = 264,313,031.34 × 156,244,531.98 - Step 4: Simplify right side
191,442,643.08x = 41,297,465,877,933,368 - Step 5: Solve for x
x = 41,297,465,877,933,368/191,442,643.08 - Step 6: Final answer
x = 215,717,173.63
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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.