Finding the Fourth Proportional to 49,748,420.10, 74,551,771.35 and 36,692,686.20
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Solution
The fourth proportional to 49,748,420.10, 74,551,771.35 and 36,692,686.20 is: 54,986,766.34
Step by Step Solution
- Step 1: Write the proportion equation
49,748,420.10 : 74,551,771.35 = 36,692,686.20 : x - Step 2: Convert to fraction form
49,748,420.10/74,551,771.35 = 36,692,686.20/x - Step 3: Cross multiply
49,748,420.10x = 74,551,771.35 × 36,692,686.20 - Step 4: Simplify right side
49,748,420.10x = 2,735,504,751,799,700.50 - Step 5: Solve for x
x = 2,735,504,751,799,700.50/49,748,420.10 - Step 6: Final answer
x = 54,986,766.34
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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.