Finding the Fourth Proportional to 170,291,708.40, 255,437,562.60 and 74,740,220.40
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Solution
The fourth proportional to 170,291,708.40, 255,437,562.60 and 74,740,220.40 is: 112,110,330.60
Step by Step Solution
- Step 1: Write the proportion equation
170,291,708.40 : 255,437,562.60 = 74,740,220.40 : x - Step 2: Convert to fraction form
170,291,708.40/255,437,562.60 = 74,740,220.40/x - Step 3: Cross multiply
170,291,708.40x = 255,437,562.60 × 74,740,220.40 - Step 4: Simplify right side
170,291,708.40x = 19,091,459,727,162,800 - Step 5: Solve for x
x = 19,091,459,727,162,800/170,291,708.40 - Step 6: Final answer
x = 112,110,330.60
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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.