Finding the Fourth Proportional to 45,934,181.33, 63,390,311.84 and 28,286,403.53
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Solution
The fourth proportional to 45,934,181.33, 63,390,311.84 and 28,286,403.53 is: 39,035,939.87
Step by Step Solution
- Step 1: Write the proportion equation
45,934,181.33 : 63,390,311.84 = 28,286,403.53 : x - Step 2: Convert to fraction form
45,934,181.33/63,390,311.84 = 28,286,403.53/x - Step 3: Cross multiply
45,934,181.33x = 63,390,311.84 × 28,286,403.53 - Step 4: Simplify right side
45,934,181.33x = 1,793,083,940,352,541.25 - Step 5: Solve for x
x = 1,793,083,940,352,541.25/45,934,181.33 - Step 6: Final answer
x = 39,035,939.87
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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.