Finding the Fourth Proportional to 163,864,556.96, 245,739,915.12 and 91,192,238.24
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Solution
The fourth proportional to 163,864,556.96, 245,739,915.12 and 91,192,238.24 is: 136,756,680.64
Step by Step Solution
- Step 1: Write the proportion equation
163,864,556.96 : 245,739,915.12 = 91,192,238.24 : x - Step 2: Convert to fraction form
163,864,556.96/245,739,915.12 = 91,192,238.24/x - Step 3: Cross multiply
163,864,556.96x = 245,739,915.12 × 91,192,238.24 - Step 4: Simplify right side
163,864,556.96x = 22,409,572,884,700,416 - Step 5: Solve for x
x = 22,409,572,884,700,416/163,864,556.96 - Step 6: Final answer
x = 136,756,680.64
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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.