Finding the Fourth Proportional to 68,197,847.74, 102,361,445.04 and 42,211,542.79
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Solution
The fourth proportional to 68,197,847.74, 102,361,445.04 and 42,211,542.79 is: 63,357,344.27
Step by Step Solution
- Step 1: Write the proportion equation
68,197,847.74 : 102,361,445.04 = 42,211,542.79 : x - Step 2: Convert to fraction form
68,197,847.74/102,361,445.04 = 42,211,542.79/x - Step 3: Cross multiply
68,197,847.74x = 102,361,445.04 × 42,211,542.79 - Step 4: Simplify right side
68,197,847.74x = 4,320,834,517,638,438.50 - Step 5: Solve for x
x = 4,320,834,517,638,438.50/68,197,847.74 - Step 6: Final answer
x = 63,357,344.27
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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.