Finding the Fourth Proportional to 183,531,326.50, 253,279,913.68 and 99,895,417.62
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Solution
The fourth proportional to 183,531,326.50, 253,279,913.68 and 99,895,417.62 is: 137,859,313.91
Step by Step Solution
- Step 1: Write the proportion equation
183,531,326.50 : 253,279,913.68 = 99,895,417.62 : x - Step 2: Convert to fraction form
183,531,326.50/253,279,913.68 = 99,895,417.62/x - Step 3: Cross multiply
183,531,326.50x = 253,279,913.68 × 99,895,417.62 - Step 4: Simplify right side
183,531,326.50x = 25,301,502,751,821,152 - Step 5: Solve for x
x = 25,301,502,751,821,152/183,531,326.50 - Step 6: Final answer
x = 137,859,313.91
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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.