Finding the Fourth Proportional to 53,583,792.77, 80,274,272.28 and 31,658,604.23
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Solution
The fourth proportional to 53,583,792.77, 80,274,272.28 and 31,658,604.23 is: 47,427,986.80
Step by Step Solution
- Step 1: Write the proportion equation
53,583,792.77 : 80,274,272.28 = 31,658,604.23 : x - Step 2: Convert to fraction form
53,583,792.77/80,274,272.28 = 31,658,604.23/x - Step 3: Cross multiply
53,583,792.77x = 80,274,272.28 × 31,658,604.23 - Step 4: Simplify right side
53,583,792.77x = 2,541,371,415,963,780 - Step 5: Solve for x
x = 2,541,371,415,963,780/53,583,792.77 - Step 6: Final answer
x = 47,427,986.80
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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.