Finding the Fourth Proportional to 87,225,497.39, 120,371,977.10 and 48,068,677.19
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Solution
The fourth proportional to 87,225,497.39, 120,371,977.10 and 48,068,677.19 is: 66,335,210.26
Step by Step Solution
- Step 1: Write the proportion equation
87,225,497.39 : 120,371,977.10 = 48,068,677.19 : x - Step 2: Convert to fraction form
87,225,497.39/120,371,977.10 = 48,068,677.19/x - Step 3: Cross multiply
87,225,497.39x = 120,371,977.10 × 48,068,677.19 - Step 4: Simplify right side
87,225,497.39x = 5,786,121,709,460,285 - Step 5: Solve for x
x = 5,786,121,709,460,285/87,225,497.39 - Step 6: Final answer
x = 66,335,210.26
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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.