Finding the Fourth Proportional to 217,030,238, 299,427,654.84 and 134,493,907.76
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Solution
The fourth proportional to 217,030,238, 299,427,654.84 and 134,493,907.76 is: 185,555,689.21
Step by Step Solution
- Step 1: Write the proportion equation
217,030,238 : 299,427,654.84 = 134,493,907.76 : x - Step 2: Convert to fraction form
217,030,238/299,427,654.84 = 134,493,907.76/x - Step 3: Cross multiply
217,030,238x = 299,427,654.84 × 134,493,907.76 - Step 4: Simplify right side
217,030,238x = 40,271,195,390,844,072 - Step 5: Solve for x
x = 40,271,195,390,844,072/217,030,238 - Step 6: Final answer
x = 185,555,689.21
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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.