Finding the Fourth Proportional to 276,953,444.20, 415,430,166.30 and 133,626,212.20
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Solution
The fourth proportional to 276,953,444.20, 415,430,166.30 and 133,626,212.20 is: 200,439,318.30
Step by Step Solution
- Step 1: Write the proportion equation
276,953,444.20 : 415,430,166.30 = 133,626,212.20 : x - Step 2: Convert to fraction form
276,953,444.20/415,430,166.30 = 133,626,212.20/x - Step 3: Cross multiply
276,953,444.20x = 415,430,166.30 × 133,626,212.20 - Step 4: Simplify right side
276,953,444.20x = 55,512,359,556,285,088 - Step 5: Solve for x
x = 55,512,359,556,285,088/276,953,444.20 - Step 6: Final answer
x = 200,439,318.30
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1.5x scale
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.