Finding the Fourth Proportional to 156,722,472.10, 235,083,708.15 and 41,718,639.70
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Solution
The fourth proportional to 156,722,472.10, 235,083,708.15 and 41,718,639.70 is: 62,577,959.55
Step by Step Solution
- Step 1: Write the proportion equation
156,722,472.10 : 235,083,708.15 = 41,718,639.70 : x - Step 2: Convert to fraction form
156,722,472.10/235,083,708.15 = 41,718,639.70/x - Step 3: Cross multiply
156,722,472.10x = 235,083,708.15 × 41,718,639.70 - Step 4: Simplify right side
156,722,472.10x = 9,807,372,519,649,804 - Step 5: Solve for x
x = 9,807,372,519,649,804/156,722,472.10 - Step 6: Final answer
x = 62,577,959.55
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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.