Finding the Fourth Proportional to 177,447,618.25, 265,933,506.38 and 138,103,381.63
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Solution
The fourth proportional to 177,447,618.25, 265,933,506.38 and 138,103,381.63 is: 206,969,904.03
Step by Step Solution
- Step 1: Write the proportion equation
177,447,618.25 : 265,933,506.38 = 138,103,381.63 : x - Step 2: Convert to fraction form
177,447,618.25/265,933,506.38 = 138,103,381.63/x - Step 3: Cross multiply
177,447,618.25x = 265,933,506.38 × 138,103,381.63 - Step 4: Simplify right side
177,447,618.25x = 36,726,316,519,443,080 - Step 5: Solve for x
x = 36,726,316,519,443,080/177,447,618.25 - Step 6: Final answer
x = 206,969,904.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.