Finding the Fourth Proportional to 80,851,545.20, 121,277,317.80 and 29,722,984.40
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Solution
The fourth proportional to 80,851,545.20, 121,277,317.80 and 29,722,984.40 is: 44,584,476.60
Step by Step Solution
- Step 1: Write the proportion equation
80,851,545.20 : 121,277,317.80 = 29,722,984.40 : x - Step 2: Convert to fraction form
80,851,545.20/121,277,317.80 = 29,722,984.40/x - Step 3: Cross multiply
80,851,545.20x = 121,277,317.80 × 29,722,984.40 - Step 4: Simplify right side
80,851,545.20x = 3,604,723,825,043,242 - Step 5: Solve for x
x = 3,604,723,825,043,242/80,851,545.20 - Step 6: Final answer
x = 44,584,476.60
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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.