Finding the Fourth Proportional to 90,804,742.74, 125,313,191.37 and 49,554,292.14
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Solution
The fourth proportional to 90,804,742.74, 125,313,191.37 and 49,554,292.14 is: 68,386,367.35
Step by Step Solution
- Step 1: Write the proportion equation
90,804,742.74 : 125,313,191.37 = 49,554,292.14 : x - Step 2: Convert to fraction form
90,804,742.74/125,313,191.37 = 49,554,292.14/x - Step 3: Cross multiply
90,804,742.74x = 125,313,191.37 × 49,554,292.14 - Step 4: Simplify right side
90,804,742.74x = 6,209,806,494,144,707 - Step 5: Solve for x
x = 6,209,806,494,144,707/90,804,742.74 - Step 6: Final answer
x = 68,386,367.35
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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.