Finding the Fourth Proportional to 142,090,168.18, 213,220,281.60 and 61,311,136.18
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Solution
The fourth proportional to 142,090,168.18, 213,220,281.60 and 61,311,136.18 is: 92,003,393.96
Step by Step Solution
- Step 1: Write the proportion equation
142,090,168.18 : 213,220,281.60 = 61,311,136.18 : x - Step 2: Convert to fraction form
142,090,168.18/213,220,281.60 = 61,311,136.18/x - Step 3: Cross multiply
142,090,168.18x = 213,220,281.60 × 61,311,136.18 - Step 4: Simplify right side
142,090,168.18x = 13,072,777,721,515,548 - Step 5: Solve for x
x = 13,072,777,721,515,548/142,090,168.18 - Step 6: Final answer
x = 92,003,393.96
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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.