Finding the Fourth Proportional to 77,762,960.70, 116,644,441.05 and 26,627,984.70
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Solution
The fourth proportional to 77,762,960.70, 116,644,441.05 and 26,627,984.70 is: 39,941,977.05
Step by Step Solution
- Step 1: Write the proportion equation
77,762,960.70 : 116,644,441.05 = 26,627,984.70 : x - Step 2: Convert to fraction form
77,762,960.70/116,644,441.05 = 26,627,984.70/x - Step 3: Cross multiply
77,762,960.70x = 116,644,441.05 × 26,627,984.70 - Step 4: Simplify right side
77,762,960.70x = 3,106,006,391,619,452 - Step 5: Solve for x
x = 3,106,006,391,619,452/77,762,960.70 - Step 6: Final answer
x = 39,941,977.05
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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.