Finding the Fourth Proportional to 144,445,377.12, 199,334,587.68 and 82,567,047.84
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Solution
The fourth proportional to 144,445,377.12, 199,334,587.68 and 82,567,047.84 is: 113,942,507.30
Step by Step Solution
- Step 1: Write the proportion equation
144,445,377.12 : 199,334,587.68 = 82,567,047.84 : x - Step 2: Convert to fraction form
144,445,377.12/199,334,587.68 = 82,567,047.84/x - Step 3: Cross multiply
144,445,377.12x = 199,334,587.68 × 82,567,047.84 - Step 4: Simplify right side
144,445,377.12x = 16,458,468,437,141,236 - Step 5: Solve for x
x = 16,458,468,437,141,236/144,445,377.12 - Step 6: Final answer
x = 113,942,507.30
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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.