Finding the Fourth Proportional to 124,204,199.09, 171,402,966.23 and 68,451,630.03
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Solution
The fourth proportional to 124,204,199.09, 171,402,966.23 and 68,451,630.03 is: 94,463,895.07
Step by Step Solution
- Step 1: Write the proportion equation
124,204,199.09 : 171,402,966.23 = 68,451,630.03 : x - Step 2: Convert to fraction form
124,204,199.09/171,402,966.23 = 68,451,630.03/x - Step 3: Cross multiply
124,204,199.09x = 171,402,966.23 × 68,451,630.03 - Step 4: Simplify right side
124,204,199.09x = 11,732,812,430,078,286 - Step 5: Solve for x
x = 11,732,812,430,078,286/124,204,199.09 - Step 6: Final answer
x = 94,463,895.07
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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.