Finding the Fourth Proportional to 191,825,312.37, 264,708,062.18 and 108,188,444.09
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Solution
The fourth proportional to 191,825,312.37, 264,708,062.18 and 108,188,444.09 is: 149,293,922.85
Step by Step Solution
- Step 1: Write the proportion equation
191,825,312.37 : 264,708,062.18 = 108,188,444.09 : x - Step 2: Convert to fraction form
191,825,312.37/264,708,062.18 = 108,188,444.09/x - Step 3: Cross multiply
191,825,312.37x = 264,708,062.18 × 108,188,444.09 - Step 4: Simplify right side
191,825,312.37x = 28,638,353,385,641,664 - Step 5: Solve for x
x = 28,638,353,385,641,664/191,825,312.37 - Step 6: Final answer
x = 149,293,922.85
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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.