Finding the Fourth Proportional to 98,415,121.80, 147,622,682.70 and 96,980,231.10
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Solution
The fourth proportional to 98,415,121.80, 147,622,682.70 and 96,980,231.10 is: 145,470,346.65
Step by Step Solution
- Step 1: Write the proportion equation
98,415,121.80 : 147,622,682.70 = 96,980,231.10 : x - Step 2: Convert to fraction form
98,415,121.80/147,622,682.70 = 96,980,231.10/x - Step 3: Cross multiply
98,415,121.80x = 147,622,682.70 × 96,980,231.10 - Step 4: Simplify right side
98,415,121.80x = 14,316,481,883,847,970 - Step 5: Solve for x
x = 14,316,481,883,847,970/98,415,121.80 - Step 6: Final answer
x = 145,470,346.65
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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.