Finding the Fourth Proportional to 140,343,455.57, 193,596,214.05 and 81,599,626.81
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Solution
The fourth proportional to 140,343,455.57, 193,596,214.05 and 81,599,626.81 is: 112,562,276.27
Step by Step Solution
- Step 1: Write the proportion equation
140,343,455.57 : 193,596,214.05 = 81,599,626.81 : x - Step 2: Convert to fraction form
140,343,455.57/193,596,214.05 = 81,599,626.81/x - Step 3: Cross multiply
140,343,455.57x = 193,596,214.05 × 81,599,626.81 - Step 4: Simplify right side
140,343,455.57x = 15,797,378,818,550,876 - Step 5: Solve for x
x = 15,797,378,818,550,876/140,343,455.57 - Step 6: Final answer
x = 112,562,276.27
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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.