Finding the Fourth Proportional to 149,364,987.14, 206,126,220.80 and 82,391,629.56
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Solution
The fourth proportional to 149,364,987.14, 206,126,220.80 and 82,391,629.56 is: 113,701,849.09
Step by Step Solution
- Step 1: Write the proportion equation
149,364,987.14 : 206,126,220.80 = 82,391,629.56 : x - Step 2: Convert to fraction form
149,364,987.14/206,126,220.80 = 82,391,629.56/x - Step 3: Cross multiply
149,364,987.14x = 206,126,220.80 × 82,391,629.56 - Step 4: Simplify right side
149,364,987.14x = 16,983,075,226,756,368 - Step 5: Solve for x
x = 16,983,075,226,756,368/149,364,987.14 - Step 6: Final answer
x = 113,701,849.09
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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.