Finding the Fourth Proportional to 115,653,549.84, 173,480,915.36 and 38,977,242.36
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Solution
The fourth proportional to 115,653,549.84, 173,480,915.36 and 38,977,242.36 is: 58,466,062.58
Step by Step Solution
- Step 1: Write the proportion equation
115,653,549.84 : 173,480,915.36 = 38,977,242.36 : x - Step 2: Convert to fraction form
115,653,549.84/173,480,915.36 = 38,977,242.36/x - Step 3: Cross multiply
115,653,549.84x = 173,480,915.36 × 38,977,242.36 - Step 4: Simplify right side
115,653,549.84x = 6,761,807,682,821,367 - Step 5: Solve for x
x = 6,761,807,682,821,367/115,653,549.84 - Step 6: Final answer
x = 58,466,062.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.