Finding the Fourth Proportional to 193,546,731.20, 290,752,634.40 and 161,696,235.20
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Solution
The fourth proportional to 193,546,731.20, 290,752,634.40 and 161,696,235.20 is: 242,905,711.02
Step by Step Solution
- Step 1: Write the proportion equation
193,546,731.20 : 290,752,634.40 = 161,696,235.20 : x - Step 2: Convert to fraction form
193,546,731.20/290,752,634.40 = 161,696,235.20/x - Step 3: Cross multiply
193,546,731.20x = 290,752,634.40 × 161,696,235.20 - Step 4: Simplify right side
193,546,731.20x = 47,013,606,356,962,000 - Step 5: Solve for x
x = 47,013,606,356,962,000/193,546,731.20 - Step 6: Final answer
x = 242,905,711.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.