Finding the Fourth Proportional to 109,045,873.80, 163,568,810.70 and 104,741,201.70
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Solution
The fourth proportional to 109,045,873.80, 163,568,810.70 and 104,741,201.70 is: 157,111,802.55
Step by Step Solution
- Step 1: Write the proportion equation
109,045,873.80 : 163,568,810.70 = 104,741,201.70 : x - Step 2: Convert to fraction form
109,045,873.80/163,568,810.70 = 104,741,201.70/x - Step 3: Cross multiply
109,045,873.80x = 163,568,810.70 × 104,741,201.70 - Step 4: Simplify right side
109,045,873.80x = 17,132,393,793,357,818 - Step 5: Solve for x
x = 17,132,393,793,357,818/109,045,873.80 - Step 6: Final answer
x = 157,111,802.55
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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.