Finding the Fourth Proportional to 73,846,813.80, 110,770,220.70 and 65,343,757.80
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Solution
The fourth proportional to 73,846,813.80, 110,770,220.70 and 65,343,757.80 is: 98,015,636.70
Step by Step Solution
- Step 1: Write the proportion equation
73,846,813.80 : 110,770,220.70 = 65,343,757.80 : x - Step 2: Convert to fraction form
73,846,813.80/110,770,220.70 = 65,343,757.80/x - Step 3: Cross multiply
73,846,813.80x = 110,770,220.70 × 65,343,757.80 - Step 4: Simplify right side
73,846,813.80x = 7,238,142,472,873,346 - Step 5: Solve for x
x = 7,238,142,472,873,346/73,846,813.80 - Step 6: Final answer
x = 98,015,636.70
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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.