Finding the Fourth Proportional to 84,081,700.20, 126,122,550.30 and 49,502,605.80
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Solution
The fourth proportional to 84,081,700.20, 126,122,550.30 and 49,502,605.80 is: 74,253,908.70
Step by Step Solution
- Step 1: Write the proportion equation
84,081,700.20 : 126,122,550.30 = 49,502,605.80 : x - Step 2: Convert to fraction form
84,081,700.20/126,122,550.30 = 49,502,605.80/x - Step 3: Cross multiply
84,081,700.20x = 126,122,550.30 × 49,502,605.80 - Step 4: Simplify right side
84,081,700.20x = 6,243,394,889,991,571 - Step 5: Solve for x
x = 6,243,394,889,991,571/84,081,700.20 - Step 6: Final answer
x = 74,253,908.70
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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.