Finding the Fourth Proportional to 80,460,147.30, 120,690,220.95 and 29,343,833.70
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Solution
The fourth proportional to 80,460,147.30, 120,690,220.95 and 29,343,833.70 is: 44,015,750.55
Step by Step Solution
- Step 1: Write the proportion equation
80,460,147.30 : 120,690,220.95 = 29,343,833.70 : x - Step 2: Convert to fraction form
80,460,147.30/120,690,220.95 = 29,343,833.70/x - Step 3: Cross multiply
80,460,147.30x = 120,690,220.95 × 29,343,833.70 - Step 4: Simplify right side
80,460,147.30x = 3,541,513,772,773,056 - Step 5: Solve for x
x = 3,541,513,772,773,056/80,460,147.30 - Step 6: Final answer
x = 44,015,750.55
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1.5x scale
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.