Finding the Fourth Proportional to 302,185,161.20, 453,277,741.80 and 193,346,044.40
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Solution
The fourth proportional to 302,185,161.20, 453,277,741.80 and 193,346,044.40 is: 290,019,066.60
Step by Step Solution
- Step 1: Write the proportion equation
302,185,161.20 : 453,277,741.80 = 193,346,044.40 : x - Step 2: Convert to fraction form
302,185,161.20/453,277,741.80 = 193,346,044.40/x - Step 3: Cross multiply
302,185,161.20x = 453,277,741.80 × 193,346,044.40 - Step 4: Simplify right side
302,185,161.20x = 87,639,458,391,594,544 - Step 5: Solve for x
x = 87,639,458,391,594,544/302,185,161.20 - Step 6: Final answer
x = 290,019,066.60
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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.