Finding the Fourth Proportional to 177,447,661.07, 265,933,564.80 and 138,103,420.53
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Solution
The fourth proportional to 177,447,661.07, 265,933,564.80 and 138,103,420.53 is: 206,969,957.84
Step by Step Solution
- Step 1: Write the proportion equation
177,447,661.07 : 265,933,564.80 = 138,103,420.53 : x - Step 2: Convert to fraction form
177,447,661.07/265,933,564.80 = 138,103,420.53/x - Step 3: Cross multiply
177,447,661.07x = 265,933,564.80 × 138,103,420.53 - Step 4: Simplify right side
177,447,661.07x = 36,726,334,931,579,096 - Step 5: Solve for x
x = 36,726,334,931,579,096/177,447,661.07 - Step 6: Final answer
x = 206,969,957.84
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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.