Finding the Fourth Proportional to 127,175,035.80, 190,762,553.70 and 31,436,923.80
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Solution
The fourth proportional to 127,175,035.80, 190,762,553.70 and 31,436,923.80 is: 47,155,385.70
Step by Step Solution
- Step 1: Write the proportion equation
127,175,035.80 : 190,762,553.70 = 31,436,923.80 : x - Step 2: Convert to fraction form
127,175,035.80/190,762,553.70 = 31,436,923.80/x - Step 3: Cross multiply
127,175,035.80x = 190,762,553.70 × 31,436,923.80 - Step 4: Simplify right side
127,175,035.80x = 5,996,987,864,560,308 - Step 5: Solve for x
x = 5,996,987,864,560,308/127,175,035.80 - Step 6: Final answer
x = 47,155,385.70
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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.