Finding the Fourth Proportional to 163,334,107.80, 245,001,161.70 and 126,345,814.20
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Solution
The fourth proportional to 163,334,107.80, 245,001,161.70 and 126,345,814.20 is: 189,518,721.30
Step by Step Solution
- Step 1: Write the proportion equation
163,334,107.80 : 245,001,161.70 = 126,345,814.20 : x - Step 2: Convert to fraction form
163,334,107.80/245,001,161.70 = 126,345,814.20/x - Step 3: Cross multiply
163,334,107.80x = 245,001,161.70 × 126,345,814.20 - Step 4: Simplify right side
163,334,107.80x = 30,954,871,254,932,356 - Step 5: Solve for x
x = 30,954,871,254,932,356/163,334,107.80 - Step 6: Final answer
x = 189,518,721.30
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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.