Finding the Fourth Proportional to 165,967,764.77, 248,948,228.49 and 55,311,470.65
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Solution
The fourth proportional to 165,967,764.77, 248,948,228.49 and 55,311,470.65 is: 82,966,066.65
Step by Step Solution
- Step 1: Write the proportion equation
165,967,764.77 : 248,948,228.49 = 55,311,470.65 : x - Step 2: Convert to fraction form
165,967,764.77/248,948,228.49 = 55,311,470.65/x - Step 3: Cross multiply
165,967,764.77x = 248,948,228.49 × 55,311,470.65 - Step 4: Simplify right side
165,967,764.77x = 13,769,692,633,494,128 - Step 5: Solve for x
x = 13,769,692,633,494,128/165,967,764.77 - Step 6: Final answer
x = 82,966,066.65
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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.