Finding the Fourth Proportional to 99,644,435.80, 149,490,273.30 and 51,129,777.40
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Solution
The fourth proportional to 99,644,435.80, 149,490,273.30 and 51,129,777.40 is: 76,706,785.84
Step by Step Solution
- Step 1: Write the proportion equation
99,644,435.80 : 149,490,273.30 = 51,129,777.40 : x - Step 2: Convert to fraction form
99,644,435.80/149,490,273.30 = 51,129,777.40/x - Step 3: Cross multiply
99,644,435.80x = 149,490,273.30 × 51,129,777.40 - Step 4: Simplify right side
99,644,435.80x = 7,643,404,397,294,164 - Step 5: Solve for x
x = 7,643,404,397,294,164/99,644,435.80 - Step 6: Final answer
x = 76,706,785.84
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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.