Finding the Fourth Proportional to 211,348,493.84, 317,122,924.80 and 102,112,431.68
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Solution
The fourth proportional to 211,348,493.84, 317,122,924.80 and 102,112,431.68 is: 153,217,051.16
Step by Step Solution
- Step 1: Write the proportion equation
211,348,493.84 : 317,122,924.80 = 102,112,431.68 : x - Step 2: Convert to fraction form
211,348,493.84/317,122,924.80 = 102,112,431.68/x - Step 3: Cross multiply
211,348,493.84x = 317,122,924.80 × 102,112,431.68 - Step 4: Simplify right side
211,348,493.84x = 32,382,192,992,801,780 - Step 5: Solve for x
x = 32,382,192,992,801,780/211,348,493.84 - Step 6: Final answer
x = 153,217,051.16
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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.