Finding the Fourth Proportional to 186,302,024.10, 257,097,803.90 and 106,910,763.12
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Solution
The fourth proportional to 186,302,024.10, 257,097,803.90 and 106,910,763.12 is: 147,537,433.07
Step by Step Solution
- Step 1: Write the proportion equation
186,302,024.10 : 257,097,803.90 = 106,910,763.12 : x - Step 2: Convert to fraction form
186,302,024.10/257,097,803.90 = 106,910,763.12/x - Step 3: Cross multiply
186,302,024.10x = 257,097,803.90 × 106,910,763.12 - Step 4: Simplify right side
186,302,024.10x = 27,486,522,410,890,560 - Step 5: Solve for x
x = 27,486,522,410,890,560/186,302,024.10 - Step 6: Final answer
x = 147,537,433.07
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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.