Finding the Fourth Proportional to 165,637,279.80, 248,455,919.70 and 119,481,628.95
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Solution
The fourth proportional to 165,637,279.80, 248,455,919.70 and 119,481,628.95 is: 179,222,443.43
Step by Step Solution
- Step 1: Write the proportion equation
165,637,279.80 : 248,455,919.70 = 119,481,628.95 : x - Step 2: Convert to fraction form
165,637,279.80/248,455,919.70 = 119,481,628.95/x - Step 3: Cross multiply
165,637,279.80x = 248,455,919.70 × 119,481,628.95 - Step 4: Simplify right side
165,637,279.80x = 29,685,918,008,026,396 - Step 5: Solve for x
x = 29,685,918,008,026,396/165,637,279.80 - Step 6: Final answer
x = 179,222,443.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.