Finding the Fourth Proportional to 133,571,169.80, 184,347,674.20 and 74,837,804.92
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Solution
The fourth proportional to 133,571,169.80, 184,347,674.20 and 74,837,804.92 is: 103,287,073.85
Step by Step Solution
- Step 1: Write the proportion equation
133,571,169.80 : 184,347,674.20 = 74,837,804.92 : x - Step 2: Convert to fraction form
133,571,169.80/184,347,674.20 = 74,837,804.92/x - Step 3: Cross multiply
133,571,169.80x = 184,347,674.20 × 74,837,804.92 - Step 4: Simplify right side
133,571,169.80x = 13,796,175,279,235,316 - Step 5: Solve for x
x = 13,796,175,279,235,316/133,571,169.80 - Step 6: Final answer
x = 103,287,073.85
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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.