Finding the Fourth Proportional to 265,742,129.70, 398,613,194.55 and 122,414,897.70
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Solution
The fourth proportional to 265,742,129.70, 398,613,194.55 and 122,414,897.70 is: 183,622,346.55
Step by Step Solution
- Step 1: Write the proportion equation
265,742,129.70 : 398,613,194.55 = 122,414,897.70 : x - Step 2: Convert to fraction form
265,742,129.70/398,613,194.55 = 122,414,897.70/x - Step 3: Cross multiply
265,742,129.70x = 398,613,194.55 × 122,414,897.70 - Step 4: Simplify right side
265,742,129.70x = 48,796,193,432,708,448 - Step 5: Solve for x
x = 48,796,193,432,708,448/265,742,129.70 - Step 6: Final answer
x = 183,622,346.55
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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.