Finding the Fourth Proportional to 218,962,907.97, 302,136,309.06 and 132,988,708.50
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Solution
The fourth proportional to 218,962,907.97, 302,136,309.06 and 132,988,708.50 is: 183,504,676.23
Step by Step Solution
- Step 1: Write the proportion equation
218,962,907.97 : 302,136,309.06 = 132,988,708.50 : x - Step 2: Convert to fraction form
218,962,907.97/302,136,309.06 = 132,988,708.50/x - Step 3: Cross multiply
218,962,907.97x = 302,136,309.06 × 132,988,708.50 - Step 4: Simplify right side
218,962,907.97x = 40,180,717,532,846,248 - Step 5: Solve for x
x = 40,180,717,532,846,248/218,962,907.97 - Step 6: Final answer
x = 183,504,676.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.