Finding the Fourth Proportional to 84,926,811.11, 117,196,625.22 and 51,456,106.94
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Solution
The fourth proportional to 84,926,811.11, 117,196,625.22 and 51,456,106.94 is: 71,007,989.12
Step by Step Solution
- Step 1: Write the proportion equation
84,926,811.11 : 117,196,625.22 = 51,456,106.94 : x - Step 2: Convert to fraction form
84,926,811.11/117,196,625.22 = 51,456,106.94/x - Step 3: Cross multiply
84,926,811.11x = 117,196,625.22 × 51,456,106.94 - Step 4: Simplify right side
84,926,811.11x = 6,030,482,079,630,750 - Step 5: Solve for x
x = 6,030,482,079,630,750/84,926,811.11 - Step 6: Final answer
x = 71,007,989.12
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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.