Finding the Fourth Proportional to 150,932,808.19, 208,286,023.35 and 84,853,601.11
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Solution
The fourth proportional to 150,932,808.19, 208,286,023.35 and 84,853,601.11 is: 117,097,265.69
Step by Step Solution
- Step 1: Write the proportion equation
150,932,808.19 : 208,286,023.35 = 84,853,601.11 : x - Step 2: Convert to fraction form
150,932,808.19/208,286,023.35 = 84,853,601.11/x - Step 3: Cross multiply
150,932,808.19x = 208,286,023.35 × 84,853,601.11 - Step 4: Simplify right side
150,932,808.19x = 17,673,819,142,129,046 - Step 5: Solve for x
x = 17,673,819,142,129,046/150,932,808.19 - Step 6: Final answer
x = 117,097,265.69
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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.