Finding the Fourth Proportional to 216,811,281.44, 299,199,950.81 and 117,692,097.47
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Solution
The fourth proportional to 216,811,281.44, 299,199,950.81 and 117,692,097.47 is: 162,415,302.09
Step by Step Solution
- Step 1: Write the proportion equation
216,811,281.44 : 299,199,950.81 = 117,692,097.47 : x - Step 2: Convert to fraction form
216,811,281.44/299,199,950.81 = 117,692,097.47/x - Step 3: Cross multiply
216,811,281.44x = 299,199,950.81 × 117,692,097.47 - Step 4: Simplify right side
216,811,281.44x = 35,213,469,771,665,268 - Step 5: Solve for x
x = 35,213,469,771,665,268/216,811,281.44 - Step 6: Final answer
x = 162,415,302.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.