Finding the Fourth Proportional to 124,138,093.20, 186,207,139.80 and 110,506,631.55
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Solution
The fourth proportional to 124,138,093.20, 186,207,139.80 and 110,506,631.55 is: 165,759,947.33
Step by Step Solution
- Step 1: Write the proportion equation
124,138,093.20 : 186,207,139.80 = 110,506,631.55 : x - Step 2: Convert to fraction form
124,138,093.20/186,207,139.80 = 110,506,631.55/x - Step 3: Cross multiply
124,138,093.20x = 186,207,139.80 × 110,506,631.55 - Step 4: Simplify right side
124,138,093.20x = 20,577,123,789,857,940 - Step 5: Solve for x
x = 20,577,123,789,857,940/124,138,093.20 - Step 6: Final answer
x = 165,759,947.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.