Finding the Fourth Proportional to 269,736,330.96, 372,236,132.21 and 145,977,008.09
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Solution
The fourth proportional to 269,736,330.96, 372,236,132.21 and 145,977,008.09 is: 201,448,268.71
Step by Step Solution
- Step 1: Write the proportion equation
269,736,330.96 : 372,236,132.21 = 145,977,008.09 : x - Step 2: Convert to fraction form
269,736,330.96/372,236,132.21 = 145,977,008.09/x - Step 3: Cross multiply
269,736,330.96x = 372,236,132.21 × 145,977,008.09 - Step 4: Simplify right side
269,736,330.96x = 54,337,916,880,418,416 - Step 5: Solve for x
x = 54,337,916,880,418,416/269,736,330.96 - Step 6: Final answer
x = 201,448,268.71
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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.