Finding the Fourth Proportional to 238,307,053.29, 328,952,942.08 and 178,939,847.93
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Solution
The fourth proportional to 238,307,053.29, 328,952,942.08 and 178,939,847.93 is: 247,003,974.99
Step by Step Solution
- Step 1: Write the proportion equation
238,307,053.29 : 328,952,942.08 = 178,939,847.93 : x - Step 2: Convert to fraction form
238,307,053.29/328,952,942.08 = 178,939,847.93/x - Step 3: Cross multiply
238,307,053.29x = 328,952,942.08 × 178,939,847.93 - Step 4: Simplify right side
238,307,053.29x = 58,862,789,430,834,824 - Step 5: Solve for x
x = 58,862,789,430,834,824/238,307,053.29 - Step 6: Final answer
x = 247,003,974.99
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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.