Finding the Fourth Proportional to 129,034,881.80, 193,552,322.70 and 113,918,337.80
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Solution
The fourth proportional to 129,034,881.80, 193,552,322.70 and 113,918,337.80 is: 170,877,506.70
Step by Step Solution
- Step 1: Write the proportion equation
129,034,881.80 : 193,552,322.70 = 113,918,337.80 : x - Step 2: Convert to fraction form
129,034,881.80/193,552,322.70 = 113,918,337.80/x - Step 3: Cross multiply
129,034,881.80x = 193,552,322.70 × 113,918,337.80 - Step 4: Simplify right side
129,034,881.80x = 22,049,158,879,313,208 - Step 5: Solve for x
x = 22,049,158,879,313,208/129,034,881.80 - Step 6: Final answer
x = 170,877,506.70
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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.