Finding the Fourth Proportional to 236,739,473.09, 326,711,859.68 and 130,890,929.80
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Solution
The fourth proportional to 236,739,473.09, 326,711,859.68 and 130,890,929.80 is: 180,635,778.78
Step by Step Solution
- Step 1: Write the proportion equation
236,739,473.09 : 326,711,859.68 = 130,890,929.80 : x - Step 2: Convert to fraction form
236,739,473.09/326,711,859.68 = 130,890,929.80/x - Step 3: Cross multiply
236,739,473.09x = 326,711,859.68 × 130,890,929.80 - Step 4: Simplify right side
236,739,473.09x = 42,763,619,088,731,096 - Step 5: Solve for x
x = 42,763,619,088,731,096/236,739,473.09 - Step 6: Final answer
x = 180,635,778.78
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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.