Finding the Fourth Proportional to 218,501,744.08, 301,528,889.40 and 119,380,363.60
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Solution
The fourth proportional to 218,501,744.08, 301,528,889.40 and 119,380,363.60 is: 164,742,979.99
Step by Step Solution
- Step 1: Write the proportion equation
218,501,744.08 : 301,528,889.40 = 119,380,363.60 : x - Step 2: Convert to fraction form
218,501,744.08/301,528,889.40 = 119,380,363.60/x - Step 3: Cross multiply
218,501,744.08x = 301,528,889.40 × 119,380,363.60 - Step 4: Simplify right side
218,501,744.08x = 35,996,628,452,476,180 - Step 5: Solve for x
x = 35,996,628,452,476,180/218,501,744.08 - Step 6: Final answer
x = 164,742,979.99
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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.