Finding the Fourth Proportional to 49,805,965.80, 74,638,964.70 and 39,588,301.80
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Solution
The fourth proportional to 49,805,965.80, 74,638,964.70 and 39,588,301.80 is: 59,326,825.88
Step by Step Solution
- Step 1: Write the proportion equation
49,805,965.80 : 74,638,964.70 = 39,588,301.80 : x - Step 2: Convert to fraction form
49,805,965.80/74,638,964.70 = 39,588,301.80/x - Step 3: Cross multiply
49,805,965.80x = 74,638,964.70 × 39,588,301.80 - Step 4: Simplify right side
49,805,965.80x = 2,954,829,860,583,146.50 - Step 5: Solve for x
x = 2,954,829,860,583,146.50/49,805,965.80 - Step 6: Final answer
x = 59,326,825.88
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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.