Finding the Fourth Proportional to 97,642,914.80, 146,464,372.20 and 76,093,674.80
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Solution
The fourth proportional to 97,642,914.80, 146,464,372.20 and 76,093,674.80 is: 114,140,512.20
Step by Step Solution
- Step 1: Write the proportion equation
97,642,914.80 : 146,464,372.20 = 76,093,674.80 : x - Step 2: Convert to fraction form
97,642,914.80/146,464,372.20 = 76,093,674.80/x - Step 3: Cross multiply
97,642,914.80x = 146,464,372.20 × 76,093,674.80 - Step 4: Simplify right side
97,642,914.80x = 11,145,012,307,972,960 - Step 5: Solve for x
x = 11,145,012,307,972,960/97,642,914.80 - Step 6: Final answer
x = 114,140,512.20
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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.