Finding the Fourth Proportional to 247,372,615.98, 370,976,526.01 and 99,782,057.12
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Solution
The fourth proportional to 247,372,615.98, 370,976,526.01 and 99,782,057.12 is: 149,639,849.02
Step by Step Solution
- Step 1: Write the proportion equation
247,372,615.98 : 370,976,526.01 = 99,782,057.12 : x - Step 2: Convert to fraction form
247,372,615.98/370,976,526.01 = 99,782,057.12/x - Step 3: Cross multiply
247,372,615.98x = 370,976,526.01 × 99,782,057.12 - Step 4: Simplify right side
247,372,615.98x = 37,016,800,906,778,832 - Step 5: Solve for x
x = 37,016,800,906,778,832/247,372,615.98 - Step 6: Final answer
x = 149,639,849.02
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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.