Finding the Fourth Proportional to 193,539,207.20, 290,308,810.80 and 164,313,888.80
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Solution
The fourth proportional to 193,539,207.20, 290,308,810.80 and 164,313,888.80 is: 246,470,833.20
Step by Step Solution
- Step 1: Write the proportion equation
193,539,207.20 : 290,308,810.80 = 164,313,888.80 : x - Step 2: Convert to fraction form
193,539,207.20/290,308,810.80 = 164,313,888.80/x - Step 3: Cross multiply
193,539,207.20x = 290,308,810.80 × 164,313,888.80 - Step 4: Simplify right side
193,539,207.20x = 47,701,769,655,451,448 - Step 5: Solve for x
x = 47,701,769,655,451,448/193,539,207.20 - Step 6: Final answer
x = 246,470,833.20
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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.