Finding the Fourth Proportional to 168,180,637.80, 252,270,956.70 and 71,104,081.80
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Solution
The fourth proportional to 168,180,637.80, 252,270,956.70 and 71,104,081.80 is: 106,656,122.70
Step by Step Solution
- Step 1: Write the proportion equation
168,180,637.80 : 252,270,956.70 = 71,104,081.80 : x - Step 2: Convert to fraction form
168,180,637.80/252,270,956.70 = 71,104,081.80/x - Step 3: Cross multiply
168,180,637.80x = 252,270,956.70 × 71,104,081.80 - Step 4: Simplify right side
168,180,637.80x = 17,937,494,740,961,056 - Step 5: Solve for x
x = 17,937,494,740,961,056/168,180,637.80 - Step 6: Final answer
x = 106,656,122.70
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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.