Finding the Fourth Proportional to 186,273,298.06, 257,070,737.55 and 107,977,065.10
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Solution
The fourth proportional to 186,273,298.06, 257,070,737.55 and 107,977,065.10 is: 149,016,225.37
Step by Step Solution
- Step 1: Write the proportion equation
186,273,298.06 : 257,070,737.55 = 107,977,065.10 : x - Step 2: Convert to fraction form
186,273,298.06/257,070,737.55 = 107,977,065.10/x - Step 3: Cross multiply
186,273,298.06x = 257,070,737.55 × 107,977,065.10 - Step 4: Simplify right side
186,273,298.06x = 27,757,743,763,741,364 - Step 5: Solve for x
x = 27,757,743,763,741,364/186,273,298.06 - Step 6: Final answer
x = 149,016,225.37
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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.