Finding the Fourth Proportional to 49,228,213.60, 73,908,805.20 and 28,778,888.80
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Solution
The fourth proportional to 49,228,213.60, 73,908,805.20 and 28,778,888.80 is: 43,207,200.32
Step by Step Solution
- Step 1: Write the proportion equation
49,228,213.60 : 73,908,805.20 = 28,778,888.80 : x - Step 2: Convert to fraction form
49,228,213.60/73,908,805.20 = 28,778,888.80/x - Step 3: Cross multiply
49,228,213.60x = 73,908,805.20 × 28,778,888.80 - Step 4: Simplify right side
49,228,213.60x = 2,127,013,286,191,662 - Step 5: Solve for x
x = 2,127,013,286,191,662/49,228,213.60 - Step 6: Final answer
x = 43,207,200.32
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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.