Finding the Fourth Proportional to 122,477,649.40, 183,464,531.70 and 84,182,404.60
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Solution
The fourth proportional to 122,477,649.40, 183,464,531.70 and 84,182,404.60 is: 126,100,439.66
Step by Step Solution
- Step 1: Write the proportion equation
122,477,649.40 : 183,464,531.70 = 84,182,404.60 : x - Step 2: Convert to fraction form
122,477,649.40/183,464,531.70 = 84,182,404.60/x - Step 3: Cross multiply
122,477,649.40x = 183,464,531.70 × 84,182,404.60 - Step 4: Simplify right side
122,477,649.40x = 15,444,485,437,318,924 - Step 5: Solve for x
x = 15,444,485,437,318,924/122,477,649.40 - Step 6: Final answer
x = 126,100,439.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.