Finding the Fourth Proportional to 51,351,720.10, 70,872,640.44 and 31,778,912.08
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Solution
The fourth proportional to 51,351,720.10, 70,872,640.44 and 31,778,912.08 is: 43,859,395.65
Step by Step Solution
- Step 1: Write the proportion equation
51,351,720.10 : 70,872,640.44 = 31,778,912.08 : x - Step 2: Convert to fraction form
51,351,720.10/70,872,640.44 = 31,778,912.08/x - Step 3: Cross multiply
51,351,720.10x = 70,872,640.44 × 31,778,912.08 - Step 4: Simplify right side
51,351,720.10x = 2,252,255,409,420,212.50 - Step 5: Solve for x
x = 2,252,255,409,420,212.50/51,351,720.10 - Step 6: Final answer
x = 43,859,395.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.