Finding the Fourth Proportional to 90,804,687.17, 125,313,115.46 and 49,554,236.75
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Solution
The fourth proportional to 90,804,687.17, 125,313,115.46 and 49,554,236.75 is: 68,386,291.33
Step by Step Solution
- Step 1: Write the proportion equation
90,804,687.17 : 125,313,115.46 = 49,554,236.75 : x - Step 2: Convert to fraction form
90,804,687.17/125,313,115.46 = 49,554,236.75/x - Step 3: Cross multiply
90,804,687.17x = 125,313,115.46 × 49,554,236.75 - Step 4: Simplify right side
90,804,687.17x = 6,209,795,790,510,588 - Step 5: Solve for x
x = 6,209,795,790,510,588/90,804,687.17 - Step 6: Final answer
x = 68,386,291.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.