Finding the Fourth Proportional to 163,206,021.30, 244,809,031.95 and 126,217,727.70
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Solution
The fourth proportional to 163,206,021.30, 244,809,031.95 and 126,217,727.70 is: 189,326,591.55
Step by Step Solution
- Step 1: Write the proportion equation
163,206,021.30 : 244,809,031.95 = 126,217,727.70 : x - Step 2: Convert to fraction form
163,206,021.30/244,809,031.95 = 126,217,727.70/x - Step 3: Cross multiply
163,206,021.30x = 244,809,031.95 × 126,217,727.70 - Step 4: Simplify right side
163,206,021.30x = 30,899,239,733,165,700 - Step 5: Solve for x
x = 30,899,239,733,165,700/163,206,021.30 - Step 6: Final answer
x = 189,326,591.55
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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.