Finding the Fourth Proportional to 80,343,052.42, 110,874,627.18 and 45,068,676.84
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Solution
The fourth proportional to 80,343,052.42, 110,874,627.18 and 45,068,676.84 is: 62,195,455.51
Step by Step Solution
- Step 1: Write the proportion equation
80,343,052.42 : 110,874,627.18 = 45,068,676.84 : x - Step 2: Convert to fraction form
80,343,052.42/110,874,627.18 = 45,068,676.84/x - Step 3: Cross multiply
80,343,052.42x = 110,874,627.18 × 45,068,676.84 - Step 4: Simplify right side
80,343,052.42x = 4,996,972,742,130,901 - Step 5: Solve for x
x = 4,996,972,742,130,901/80,343,052.42 - Step 6: Final answer
x = 62,195,455.51
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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.