Finding the Fourth Proportional to 157,786,193.44, 236,732,434.35 and 99,426,098.44
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Solution
The fourth proportional to 157,786,193.44, 236,732,434.35 and 99,426,098.44 is: 149,172,635.50
Step by Step Solution
- Step 1: Write the proportion equation
157,786,193.44 : 236,732,434.35 = 99,426,098.44 : x - Step 2: Convert to fraction form
157,786,193.44/236,732,434.35 = 99,426,098.44/x - Step 3: Cross multiply
157,786,193.44x = 236,732,434.35 × 99,426,098.44 - Step 4: Simplify right side
157,786,193.44x = 23,537,382,321,623,936 - Step 5: Solve for x
x = 23,537,382,321,623,936/157,786,193.44 - Step 6: Final answer
x = 149,172,635.50
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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.