Finding the Fourth Proportional to 226,724,244.89, 312,869,393.64 and 126,257,864.81
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Solution
The fourth proportional to 226,724,244.89, 312,869,393.64 and 126,257,864.81 is: 174,230,248.84
Step by Step Solution
- Step 1: Write the proportion equation
226,724,244.89 : 312,869,393.64 = 126,257,864.81 : x - Step 2: Convert to fraction form
226,724,244.89/312,869,393.64 = 126,257,864.81/x - Step 3: Cross multiply
226,724,244.89x = 312,869,393.64 × 126,257,864.81 - Step 4: Simplify right side
226,724,244.89x = 39,502,221,603,821,448 - Step 5: Solve for x
x = 39,502,221,603,821,448/226,724,244.89 - Step 6: Final answer
x = 174,230,248.84
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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.