Finding the Fourth Proportional to 220,390,132.06, 304,129,249.35 and 119,918,984.14
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Solution
The fourth proportional to 220,390,132.06, 304,129,249.35 and 119,918,984.14 is: 165,483,228.71
Step by Step Solution
- Step 1: Write the proportion equation
220,390,132.06 : 304,129,249.35 = 119,918,984.14 : x - Step 2: Convert to fraction form
220,390,132.06/304,129,249.35 = 119,918,984.14/x - Step 3: Cross multiply
220,390,132.06x = 304,129,249.35 × 119,918,984.14 - Step 4: Simplify right side
220,390,132.06x = 36,470,870,629,312,760 - Step 5: Solve for x
x = 36,470,870,629,312,760/220,390,132.06 - Step 6: Final answer
x = 165,483,228.71
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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.