Finding the Fourth Proportional to 251,241,121.18, 376,861,818.42 and 78,731,435.98
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Solution
The fourth proportional to 251,241,121.18, 376,861,818.42 and 78,731,435.98 is: 118,097,196.79
Step by Step Solution
- Step 1: Write the proportion equation
251,241,121.18 : 376,861,818.42 = 78,731,435.98 : x - Step 2: Convert to fraction form
251,241,121.18/376,861,818.42 = 78,731,435.98/x - Step 3: Cross multiply
251,241,121.18x = 376,861,818.42 × 78,731,435.98 - Step 4: Simplify right side
251,241,121.18x = 29,670,872,130,240,616 - Step 5: Solve for x
x = 29,670,872,130,240,616/251,241,121.18 - Step 6: Final answer
x = 118,097,196.79
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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.