Finding the Fourth Proportional to 90,804,697.68, 125,313,129.96 and 49,554,247.26
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Solution
The fourth proportional to 90,804,697.68, 125,313,129.96 and 49,554,247.26 is: 68,386,305.84
Step by Step Solution
- Step 1: Write the proportion equation
90,804,697.68 : 125,313,129.96 = 49,554,247.26 : x - Step 2: Convert to fraction form
90,804,697.68/125,313,129.96 = 49,554,247.26/x - Step 3: Cross multiply
90,804,697.68x = 125,313,129.96 × 49,554,247.26 - Step 4: Simplify right side
90,804,697.68x = 6,209,797,826,962,353 - Step 5: Solve for x
x = 6,209,797,826,962,353/90,804,697.68 - Step 6: Final answer
x = 68,386,305.84
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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.