Finding the Fourth Proportional to 307,365,506.68, 424,167,764.52 and 168,136,269.88
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Solution
The fourth proportional to 307,365,506.68, 424,167,764.52 and 168,136,269.88 is: 232,029,893.33
Step by Step Solution
- Step 1: Write the proportion equation
307,365,506.68 : 424,167,764.52 = 168,136,269.88 : x - Step 2: Convert to fraction form
307,365,506.68/424,167,764.52 = 168,136,269.88/x - Step 3: Cross multiply
307,365,506.68x = 424,167,764.52 × 168,136,269.88 - Step 4: Simplify right side
307,365,506.68x = 71,317,985,729,731,000 - Step 5: Solve for x
x = 71,317,985,729,731,000/307,365,506.68 - Step 6: Final answer
x = 232,029,893.33
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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.