Finding the Fourth Proportional to 226,724,313.74, 312,869,487.75 and 126,257,932.85
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Solution
The fourth proportional to 226,724,313.74, 312,869,487.75 and 126,257,932.85 is: 174,230,342.23
Step by Step Solution
- Step 1: Write the proportion equation
226,724,313.74 : 312,869,487.75 = 126,257,932.85 : x - Step 2: Convert to fraction form
226,724,313.74/312,869,487.75 = 126,257,932.85/x - Step 3: Cross multiply
226,724,313.74x = 312,869,487.75 × 126,257,932.85 - Step 4: Simplify right side
226,724,313.74x = 39,502,254,775,153,392 - Step 5: Solve for x
x = 39,502,254,775,153,392/226,724,313.74 - Step 6: Final answer
x = 174,230,342.23
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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.