Finding the Fourth Proportional to 75,467,799.04, 104,145,915.36 and 42,874,539.52
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Solution
The fourth proportional to 75,467,799.04, 104,145,915.36 and 42,874,539.52 is: 59,167,064.90
Step by Step Solution
- Step 1: Write the proportion equation
75,467,799.04 : 104,145,915.36 = 42,874,539.52 : x - Step 2: Convert to fraction form
75,467,799.04/104,145,915.36 = 42,874,539.52/x - Step 3: Cross multiply
75,467,799.04x = 104,145,915.36 × 42,874,539.52 - Step 4: Simplify right side
75,467,799.04x = 4,465,208,163,948,895.50 - Step 5: Solve for x
x = 4,465,208,163,948,895.50/75,467,799.04 - Step 6: Final answer
x = 59,167,064.90
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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.