Finding the Fourth Proportional to 186,273,263.34, 257,070,689.58 and 107,977,030.38
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Solution
The fourth proportional to 186,273,263.34, 257,070,689.58 and 107,977,030.38 is: 149,016,177.42
Step by Step Solution
- Step 1: Write the proportion equation
186,273,263.34 : 257,070,689.58 = 107,977,030.38 : x - Step 2: Convert to fraction form
186,273,263.34/257,070,689.58 = 107,977,030.38/x - Step 3: Cross multiply
186,273,263.34x = 257,070,689.58 × 107,977,030.38 - Step 4: Simplify right side
186,273,263.34x = 27,757,729,658,587,208 - Step 5: Solve for x
x = 27,757,729,658,587,208/186,273,263.34 - Step 6: Final answer
x = 149,016,177.42
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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.