Finding the Fourth Proportional to 168,170,309.13, 252,268,669.50 and 45,346,777.41
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Solution
The fourth proportional to 168,170,309.13, 252,268,669.50 and 45,346,777.41 is: 68,023,727.03
Step by Step Solution
- Step 1: Write the proportion equation
168,170,309.13 : 252,268,669.50 = 45,346,777.41 : x - Step 2: Convert to fraction form
168,170,309.13/252,268,669.50 = 45,346,777.41/x - Step 3: Cross multiply
168,170,309.13x = 252,268,669.50 × 45,346,777.41 - Step 4: Simplify right side
168,170,309.13x = 11,439,571,203,333,356 - Step 5: Solve for x
x = 11,439,571,203,333,356/168,170,309.13 - Step 6: Final answer
x = 68,023,727.03
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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.