Finding the Fourth Proportional to 134,568,325.82, 185,704,364.34 and 72,688,664.99
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Solution
The fourth proportional to 134,568,325.82, 185,704,364.34 and 72,688,664.99 is: 100,310,398.04
Step by Step Solution
- Step 1: Write the proportion equation
134,568,325.82 : 185,704,364.34 = 72,688,664.99 : x - Step 2: Convert to fraction form
134,568,325.82/185,704,364.34 = 72,688,664.99/x - Step 3: Cross multiply
134,568,325.82x = 185,704,364.34 × 72,688,664.99 - Step 4: Simplify right side
134,568,325.82x = 13,498,602,326,691,162 - Step 5: Solve for x
x = 13,498,602,326,691,162/134,568,325.82 - Step 6: Final answer
x = 100,310,398.04
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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.