Finding the Fourth Proportional to 80,852,727.20, 121,279,090.80 and 44,447,050.40
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Solution
The fourth proportional to 80,852,727.20, 121,279,090.80 and 44,447,050.40 is: 66,670,575.60
Step by Step Solution
- Step 1: Write the proportion equation
80,852,727.20 : 121,279,090.80 = 44,447,050.40 : x - Step 2: Convert to fraction form
80,852,727.20/121,279,090.80 = 44,447,050.40/x - Step 3: Cross multiply
80,852,727.20x = 121,279,090.80 × 44,447,050.40 - Step 4: Simplify right side
80,852,727.20x = 5,390,497,861,253,776 - Step 5: Solve for x
x = 5,390,497,861,253,776/80,852,727.20 - Step 6: Final answer
x = 66,670,575.60
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Similar ratio
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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.