Finding the Fourth Proportional to 80,271,115,630.71, 110,776,239,020.06 and 43,651,372,731.76
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Solution
The fourth proportional to 80,271,115,630.71, 110,776,239,020.06 and 43,651,372,731.76 is: 60,240,036,048.99
Step by Step Solution
- Step 1: Write the proportion equation
80,271,115,630.71 : 110,776,239,020.06 = 43,651,372,731.76 : x - Step 2: Convert to fraction form
80,271,115,630.71/110,776,239,020.06 = 43,651,372,731.76/x - Step 3: Cross multiply
80,271,115,630.71x = 110,776,239,020.06 × 43,651,372,731.76 - Step 4: Simplify right side
80,271,115,630.71x = 4,835,534,899,286,843,064,320 - Step 5: Solve for x
x = 4,835,534,899,286,843,064,320/80,271,115,630.71 - Step 6: Final answer
x = 60,240,036,048.99
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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.