Finding the Fourth Proportional to 47,121,908.36, 64,880,211.74 and 40,042,569.24
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Solution
The fourth proportional to 47,121,908.36, 64,880,211.74 and 40,042,569.24 is: 55,132,961.75
Step by Step Solution
- Step 1: Write the proportion equation
47,121,908.36 : 64,880,211.74 = 40,042,569.24 : x - Step 2: Convert to fraction form
47,121,908.36/64,880,211.74 = 40,042,569.24/x - Step 3: Cross multiply
47,121,908.36x = 64,880,211.74 × 40,042,569.24 - Step 4: Simplify right side
47,121,908.36x = 2,597,970,370,704,598 - Step 5: Solve for x
x = 2,597,970,370,704,598/47,121,908.36 - Step 6: Final answer
x = 55,132,961.75
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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.