Finding the Fourth Proportional to 243,497,668.93, 365,027,789.84 and 118,929,818.76
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Solution
The fourth proportional to 243,497,668.93, 365,027,789.84 and 118,929,818.76 is: 178,287,903.45
Step by Step Solution
- Step 1: Write the proportion equation
243,497,668.93 : 365,027,789.84 = 118,929,818.76 : x - Step 2: Convert to fraction form
243,497,668.93/365,027,789.84 = 118,929,818.76/x - Step 3: Cross multiply
243,497,668.93x = 365,027,789.84 × 118,929,818.76 - Step 4: Simplify right side
243,497,668.93x = 43,412,688,888,034,568 - Step 5: Solve for x
x = 43,412,688,888,034,568/243,497,668.93 - Step 6: Final answer
x = 178,287,903.45
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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.