Finding the Fourth Proportional to 80,734,448.40, 121,119,387.30 and 26,149,552.80
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Solution
The fourth proportional to 80,734,448.40, 121,119,387.30 and 26,149,552.80 is: 39,230,066.92
Step by Step Solution
- Step 1: Write the proportion equation
80,734,448.40 : 121,119,387.30 = 26,149,552.80 : x - Step 2: Convert to fraction form
80,734,448.40/121,119,387.30 = 26,149,552.80/x - Step 3: Cross multiply
80,734,448.40x = 121,119,387.30 × 26,149,552.80 - Step 4: Simplify right side
80,734,448.40x = 3,167,217,813,304,999.50 - Step 5: Solve for x
x = 3,167,217,813,304,999.50/80,734,448.40 - Step 6: Final answer
x = 39,230,066.92
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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.