Finding the Fourth Proportional to 211,430,462.29, 291,776,027.79 and 118,612,962.43
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Solution
The fourth proportional to 211,430,462.29, 291,776,027.79 and 118,612,962.43 is: 163,687,004.45
Step by Step Solution
- Step 1: Write the proportion equation
211,430,462.29 : 291,776,027.79 = 118,612,962.43 : x - Step 2: Convert to fraction form
211,430,462.29/291,776,027.79 = 118,612,962.43/x - Step 3: Cross multiply
211,430,462.29x = 291,776,027.79 × 118,612,962.43 - Step 4: Simplify right side
211,430,462.29x = 34,608,419,022,229,912 - Step 5: Solve for x
x = 34,608,419,022,229,912/211,430,462.29 - Step 6: Final answer
x = 163,687,004.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.