Finding the Fourth Proportional to 163,555,131.74, 245,334,834.58 and 54,380,302.84
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Solution
The fourth proportional to 163,555,131.74, 245,334,834.58 and 54,380,302.84 is: 81,571,164.78
Step by Step Solution
- Step 1: Write the proportion equation
163,555,131.74 : 245,334,834.58 = 54,380,302.84 : x - Step 2: Convert to fraction form
163,555,131.74/245,334,834.58 = 54,380,302.84/x - Step 3: Cross multiply
163,555,131.74x = 245,334,834.58 × 54,380,302.84 - Step 4: Simplify right side
163,555,131.74x = 13,341,382,601,661,706 - Step 5: Solve for x
x = 13,341,382,601,661,706/163,555,131.74 - Step 6: Final answer
x = 81,571,164.78
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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.