Finding the Fourth Proportional to 92,765,431.11, 139,143,029.09 and 38,164,198.62
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Solution
The fourth proportional to 92,765,431.11, 139,143,029.09 and 38,164,198.62 is: 57,244,192.53
Step by Step Solution
- Step 1: Write the proportion equation
92,765,431.11 : 139,143,029.09 = 38,164,198.62 : x - Step 2: Convert to fraction form
92,765,431.11/139,143,029.09 = 38,164,198.62/x - Step 3: Cross multiply
92,765,431.11x = 139,143,029.09 × 38,164,198.62 - Step 4: Simplify right side
92,765,431.11x = 5,310,282,198,588,377 - Step 5: Solve for x
x = 5,310,282,198,588,377/92,765,431.11 - Step 6: Final answer
x = 57,244,192.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.