Finding the Fourth Proportional to 77,347,246.40, 116,104,850.40 and 48,625,812.80
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Solution
The fourth proportional to 77,347,246.40, 116,104,850.40 and 48,625,812.80 is: 72,991,515.32
Step by Step Solution
- Step 1: Write the proportion equation
77,347,246.40 : 116,104,850.40 = 48,625,812.80 : x - Step 2: Convert to fraction form
77,347,246.40/116,104,850.40 = 48,625,812.80/x - Step 3: Cross multiply
77,347,246.40x = 116,104,850.40 × 48,625,812.80 - Step 4: Simplify right side
77,347,246.40x = 5,645,692,720,722,405 - Step 5: Solve for x
x = 5,645,692,720,722,405/77,347,246.40 - Step 6: Final answer
x = 72,991,515.32
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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.