Finding the Fourth Proportional to 74,324,009.70, 111,486,014.55 and 74,324,009.70
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Solution
The fourth proportional to 74,324,009.70, 111,486,014.55 and 74,324,009.70 is: 111,486,014.55
Step by Step Solution
- Step 1: Write the proportion equation
74,324,009.70 : 111,486,014.55 = 74,324,009.70 : x - Step 2: Convert to fraction form
74,324,009.70/111,486,014.55 = 74,324,009.70/x - Step 3: Cross multiply
74,324,009.70x = 111,486,014.55 × 74,324,009.70 - Step 4: Simplify right side
74,324,009.70x = 8,286,087,626,828,541 - Step 5: Solve for x
x = 8,286,087,626,828,541/74,324,009.70 - Step 6: Final answer
x = 111,486,014.55
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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.