Finding the Fourth Proportional to 193,609,043.70, 290,413,565.55 and 91,572,371.70
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Solution
The fourth proportional to 193,609,043.70, 290,413,565.55 and 91,572,371.70 is: 137,358,557.55
Step by Step Solution
- Step 1: Write the proportion equation
193,609,043.70 : 290,413,565.55 = 91,572,371.70 : x - Step 2: Convert to fraction form
193,609,043.70/290,413,565.55 = 91,572,371.70/x - Step 3: Cross multiply
193,609,043.70x = 290,413,565.55 × 91,572,371.70 - Step 4: Simplify right side
193,609,043.70x = 26,593,858,971,266,916 - Step 5: Solve for x
x = 26,593,858,971,266,916/193,609,043.70 - Step 6: Final answer
x = 137,358,557.55
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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.