Finding the Fourth Proportional to 73,842,261.90, 110,863,120.05 and 43,168,274.70
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Solution
The fourth proportional to 73,842,261.90, 110,863,120.05 and 43,168,274.70 is: 64,810,712.69
Step by Step Solution
- Step 1: Write the proportion equation
73,842,261.90 : 110,863,120.05 = 43,168,274.70 : x - Step 2: Convert to fraction form
73,842,261.90/110,863,120.05 = 43,168,274.70/x - Step 3: Cross multiply
73,842,261.90x = 110,863,120.05 × 43,168,274.70 - Step 4: Simplify right side
73,842,261.90x = 4,785,769,620,417,478 - Step 5: Solve for x
x = 4,785,769,620,417,478/73,842,261.90 - Step 6: Final answer
x = 64,810,712.69
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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.