Finding the Fourth Proportional to 86,327,099.80, 119,127,852.66 and 47,170,220.68
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Solution
The fourth proportional to 86,327,099.80, 119,127,852.66 and 47,170,220.68 is: 65,092,967.47
Step by Step Solution
- Step 1: Write the proportion equation
86,327,099.80 : 119,127,852.66 = 47,170,220.68 : x - Step 2: Convert to fraction form
86,327,099.80/119,127,852.66 = 47,170,220.68/x - Step 3: Cross multiply
86,327,099.80x = 119,127,852.66 × 47,170,220.68 - Step 4: Simplify right side
86,327,099.80x = 5,619,287,099,106,725 - Step 5: Solve for x
x = 5,619,287,099,106,725/86,327,099.80 - Step 6: Final answer
x = 65,092,967.47
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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.