Finding the Fourth Proportional to 133,571,163.78, 184,347,665.91 and 74,837,798.91
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Solution
The fourth proportional to 133,571,163.78, 184,347,665.91 and 74,837,798.91 is: 103,287,065.56
Step by Step Solution
- Step 1: Write the proportion equation
133,571,163.78 : 184,347,665.91 = 74,837,798.91 : x - Step 2: Convert to fraction form
133,571,163.78/184,347,665.91 = 74,837,798.91/x - Step 3: Cross multiply
133,571,163.78x = 184,347,665.91 × 74,837,798.91 - Step 4: Simplify right side
133,571,163.78x = 13,796,173,550,900,442 - Step 5: Solve for x
x = 13,796,173,550,900,442/133,571,163.78 - Step 6: Final answer
x = 103,287,065.56
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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.