Finding the Fourth Proportional to 310,120,903.44, 427,969,716.84 and 170,896,647.60
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Solution
The fourth proportional to 310,120,903.44, 427,969,716.84 and 170,896,647.60 is: 235,838,955.29
Step by Step Solution
- Step 1: Write the proportion equation
310,120,903.44 : 427,969,716.84 = 170,896,647.60 : x - Step 2: Convert to fraction form
310,120,903.44/427,969,716.84 = 170,896,647.60/x - Step 3: Cross multiply
310,120,903.44x = 427,969,716.84 × 170,896,647.60 - Step 4: Simplify right side
310,120,903.44x = 73,138,589,882,277,264 - Step 5: Solve for x
x = 73,138,589,882,277,264/310,120,903.44 - Step 6: Final answer
x = 235,838,955.29
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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.