Finding the Fourth Proportional to 190,128,335.70, 285,192,503.55 and 88,091,663.70
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Solution
The fourth proportional to 190,128,335.70, 285,192,503.55 and 88,091,663.70 is: 132,137,495.55
Step by Step Solution
- Step 1: Write the proportion equation
190,128,335.70 : 285,192,503.55 = 88,091,663.70 : x - Step 2: Convert to fraction form
190,128,335.70/285,192,503.55 = 88,091,663.70/x - Step 3: Cross multiply
190,128,335.70x = 285,192,503.55 × 88,091,663.70 - Step 4: Simplify right side
190,128,335.70x = 25,123,082,112,487,660 - Step 5: Solve for x
x = 25,123,082,112,487,660/190,128,335.70 - Step 6: Final answer
x = 132,137,495.55
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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.