Finding the Fourth Proportional to 136,919,872.92, 205,446,239.64 and 60,232,936.80
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Solution
The fourth proportional to 136,919,872.92, 205,446,239.64 and 60,232,936.80 is: 90,378,628.79
Step by Step Solution
- Step 1: Write the proportion equation
136,919,872.92 : 205,446,239.64 = 60,232,936.80 : x - Step 2: Convert to fraction form
136,919,872.92/205,446,239.64 = 60,232,936.80/x - Step 3: Cross multiply
136,919,872.92x = 205,446,239.64 × 60,232,936.80 - Step 4: Simplify right side
136,919,872.92x = 12,374,630,368,033,774 - Step 5: Solve for x
x = 12,374,630,368,033,774/136,919,872.92 - Step 6: Final answer
x = 90,378,628.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.