Finding the Fourth Proportional to 161,729,219.28, 242,507,515.87 and 83,927,786.42
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Solution
The fourth proportional to 161,729,219.28, 242,507,515.87 and 83,927,786.42 is: 125,846,888.32
Step by Step Solution
- Step 1: Write the proportion equation
161,729,219.28 : 242,507,515.87 = 83,927,786.42 : x - Step 2: Convert to fraction form
161,729,219.28/242,507,515.87 = 83,927,786.42/x - Step 3: Cross multiply
161,729,219.28x = 242,507,515.87 × 83,927,786.42 - Step 4: Simplify right side
161,729,219.28x = 20,353,118,997,182,120 - Step 5: Solve for x
x = 20,353,118,997,182,120/161,729,219.28 - Step 6: Final answer
x = 125,846,888.32
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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.