Finding the Fourth Proportional to 129,056,203.15, 193,641,517.64 and 67,630,757.62
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Solution
The fourth proportional to 129,056,203.15, 193,641,517.64 and 67,630,757.62 is: 101,476,118.35
Step by Step Solution
- Step 1: Write the proportion equation
129,056,203.15 : 193,641,517.64 = 67,630,757.62 : x - Step 2: Convert to fraction form
129,056,203.15/193,641,517.64 = 67,630,757.62/x - Step 3: Cross multiply
129,056,203.15x = 193,641,517.64 × 67,630,757.62 - Step 4: Simplify right side
129,056,203.15x = 13,096,122,543,857,538 - Step 5: Solve for x
x = 13,096,122,543,857,538/129,056,203.15 - Step 6: Final answer
x = 101,476,118.35
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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.