Finding the Fourth Proportional to 70,252,527.94, 96,949,636.32 and 38,462,167.11
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Solution
The fourth proportional to 70,252,527.94, 96,949,636.32 and 38,462,167.11 is: 53,078,418.99
Step by Step Solution
- Step 1: Write the proportion equation
70,252,527.94 : 96,949,636.32 = 38,462,167.11 : x - Step 2: Convert to fraction form
70,252,527.94/96,949,636.32 = 38,462,167.11/x - Step 3: Cross multiply
70,252,527.94x = 96,949,636.32 × 38,462,167.11 - Step 4: Simplify right side
70,252,527.94x = 3,728,893,113,393,565 - Step 5: Solve for x
x = 3,728,893,113,393,565/70,252,527.94 - Step 6: Final answer
x = 53,078,418.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.