Finding the Fourth Proportional to 80,854,584.70, 121,281,877.05 and 48,489,827.80
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Solution
The fourth proportional to 80,854,584.70, 121,281,877.05 and 48,489,827.80 is: 72,734,741.70
Step by Step Solution
- Step 1: Write the proportion equation
80,854,584.70 : 121,281,877.05 = 48,489,827.80 : x - Step 2: Convert to fraction form
80,854,584.70/121,281,877.05 = 48,489,827.80/x - Step 3: Cross multiply
80,854,584.70x = 121,281,877.05 × 48,489,827.80 - Step 4: Simplify right side
80,854,584.70x = 5,880,937,333,415,271 - Step 5: Solve for x
x = 5,880,937,333,415,271/80,854,584.70 - Step 6: Final answer
x = 72,734,741.70
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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.