Finding the Fourth Proportional to 63,178,420.50, 94,755,645.99 and 30,797,756.82
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Solution
The fourth proportional to 63,178,420.50, 94,755,645.99 and 30,797,756.82 is: 46,190,792.99
Step by Step Solution
- Step 1: Write the proportion equation
63,178,420.50 : 94,755,645.99 = 30,797,756.82 : x - Step 2: Convert to fraction form
63,178,420.50/94,755,645.99 = 30,797,756.82/x - Step 3: Cross multiply
63,178,420.50x = 94,755,645.99 × 30,797,756.82 - Step 4: Simplify right side
63,178,420.50x = 2,918,261,342,522,028 - Step 5: Solve for x
x = 2,918,261,342,522,028/63,178,420.50 - Step 6: Final answer
x = 46,190,792.99
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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.