Finding the Fourth Proportional to 123,254,202.28, 170,088,720.42 and 68,248,877.80
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Solution
The fourth proportional to 123,254,202.28, 170,088,720.42 and 68,248,877.80 is: 94,182,300.32
Step by Step Solution
- Step 1: Write the proportion equation
123,254,202.28 : 170,088,720.42 = 68,248,877.80 : x - Step 2: Convert to fraction form
123,254,202.28/170,088,720.42 = 68,248,877.80/x - Step 3: Cross multiply
123,254,202.28x = 170,088,720.42 × 68,248,877.80 - Step 4: Simplify right side
123,254,202.28x = 11,608,364,295,102,944 - Step 5: Solve for x
x = 11,608,364,295,102,944/123,254,202.28 - Step 6: Final answer
x = 94,182,300.32
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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.