Finding the Fourth Proportional to 69,762,397.21, 96,281,275.49 and 40,004,690.57
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Solution
The fourth proportional to 69,762,397.21, 96,281,275.49 and 40,004,690.57 is: 55,211,729.92
Step by Step Solution
- Step 1: Write the proportion equation
69,762,397.21 : 96,281,275.49 = 40,004,690.57 : x - Step 2: Convert to fraction form
69,762,397.21/96,281,275.49 = 40,004,690.57/x - Step 3: Cross multiply
69,762,397.21x = 96,281,275.49 × 40,004,690.57 - Step 4: Simplify right side
69,762,397.21x = 3,851,702,633,662,375 - Step 5: Solve for x
x = 3,851,702,633,662,375/69,762,397.21 - Step 6: Final answer
x = 55,211,729.92
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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.