Finding the Fourth Proportional to 211,501,607.76, 291,882,842.28 and 132,164,596.08
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Solution
The fourth proportional to 211,501,607.76, 291,882,842.28 and 132,164,596.08 is: 182,393,781.12
Step by Step Solution
- Step 1: Write the proportion equation
211,501,607.76 : 291,882,842.28 = 132,164,596.08 : x - Step 2: Convert to fraction form
211,501,607.76/291,882,842.28 = 132,164,596.08/x - Step 3: Cross multiply
211,501,607.76x = 291,882,842.28 × 132,164,596.08 - Step 4: Simplify right side
211,501,607.76x = 38,576,577,952,618,544 - Step 5: Solve for x
x = 38,576,577,952,618,544/211,501,607.76 - Step 6: Final answer
x = 182,393,781.12
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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.