Finding the Fourth Proportional to 105,271,051.97, 145,264,302.46 and 58,227,113.09
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Solution
The fourth proportional to 105,271,051.97, 145,264,302.46 and 58,227,113.09 is: 80,348,023.59
Step by Step Solution
- Step 1: Write the proportion equation
105,271,051.97 : 145,264,302.46 = 58,227,113.09 : x - Step 2: Convert to fraction form
105,271,051.97/145,264,302.46 = 58,227,113.09/x - Step 3: Cross multiply
105,271,051.97x = 145,264,302.46 × 58,227,113.09 - Step 4: Simplify right side
105,271,051.97x = 8,458,320,967,714,330 - Step 5: Solve for x
x = 8,458,320,967,714,330/105,271,051.97 - Step 6: Final answer
x = 80,348,023.59
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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.