Finding the Fourth Proportional to 299,541,709.71, 413,359,860.54 and 167,383,791.99
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Solution
The fourth proportional to 299,541,709.71, 413,359,860.54 and 167,383,791.99 is: 230,985,330.83
Step by Step Solution
- Step 1: Write the proportion equation
299,541,709.71 : 413,359,860.54 = 167,383,791.99 : x - Step 2: Convert to fraction form
299,541,709.71/413,359,860.54 = 167,383,791.99/x - Step 3: Cross multiply
299,541,709.71x = 413,359,860.54 × 167,383,791.99 - Step 4: Simplify right side
299,541,709.71x = 69,189,740,913,642,776 - Step 5: Solve for x
x = 69,189,740,913,642,776/299,541,709.71 - Step 6: Final answer
x = 230,985,330.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.