Finding the Fourth Proportional to 134,922,874.08, 186,193,595.36 and 73,043,721.12
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Solution
The fourth proportional to 134,922,874.08, 186,193,595.36 and 73,043,721.12 is: 100,800,350.92
Step by Step Solution
- Step 1: Write the proportion equation
134,922,874.08 : 186,193,595.36 = 73,043,721.12 : x - Step 2: Convert to fraction form
134,922,874.08/186,193,595.36 = 73,043,721.12/x - Step 3: Cross multiply
134,922,874.08x = 186,193,595.36 × 73,043,721.12 - Step 4: Simplify right side
134,922,874.08x = 13,600,273,053,805,968 - Step 5: Solve for x
x = 13,600,273,053,805,968/134,922,874.08 - Step 6: Final answer
x = 100,800,350.92
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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.