Finding the Fourth Proportional to 165,842,465.42, 228,869,523.60 and 91,507,847.48
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Solution
The fourth proportional to 165,842,465.42, 228,869,523.60 and 91,507,847.48 is: 126,284,648.54
Step by Step Solution
- Step 1: Write the proportion equation
165,842,465.42 : 228,869,523.60 = 91,507,847.48 : x - Step 2: Convert to fraction form
165,842,465.42/228,869,523.60 = 91,507,847.48/x - Step 3: Cross multiply
165,842,465.42x = 228,869,523.60 × 91,507,847.48 - Step 4: Simplify right side
165,842,465.42x = 20,943,357,458,409,060 - Step 5: Solve for x
x = 20,943,357,458,409,060/165,842,465.42 - Step 6: Final answer
x = 126,284,648.54
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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.