Finding the Fourth Proportional to 302,331,152.70, 417,230,663.94 and 170,217,544.50
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Solution
The fourth proportional to 302,331,152.70, 417,230,663.94 and 170,217,544.50 is: 234,907,909.66
Step by Step Solution
- Step 1: Write the proportion equation
302,331,152.70 : 417,230,663.94 = 170,217,544.50 : x - Step 2: Convert to fraction form
302,331,152.70/417,230,663.94 = 170,217,544.50/x - Step 3: Cross multiply
302,331,152.70x = 417,230,663.94 × 170,217,544.50 - Step 4: Simplify right side
302,331,152.70x = 71,019,979,105,971,496 - Step 5: Solve for x
x = 71,019,979,105,971,496/302,331,152.70 - Step 6: Final answer
x = 234,907,909.66
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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.