Finding the Fourth Proportional to 113,772,642.20, 170,658,963.30 and 49,202,560.70
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Solution
The fourth proportional to 113,772,642.20, 170,658,963.30 and 49,202,560.70 is: 73,803,841.05
Step by Step Solution
- Step 1: Write the proportion equation
113,772,642.20 : 170,658,963.30 = 49,202,560.70 : x - Step 2: Convert to fraction form
113,772,642.20/170,658,963.30 = 49,202,560.70/x - Step 3: Cross multiply
113,772,642.20x = 170,658,963.30 × 49,202,560.70 - Step 4: Simplify right side
113,772,642.20x = 8,396,858,000,767,323 - Step 5: Solve for x
x = 8,396,858,000,767,323/113,772,642.20 - Step 6: Final answer
x = 73,803,841.05
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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.