Finding the Fourth Proportional to 127,521,986.09, 191,083,688.74 and 88,736,217.87
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Solution
The fourth proportional to 127,521,986.09, 191,083,688.74 and 88,736,217.87 is: 132,965,650.52
Step by Step Solution
- Step 1: Write the proportion equation
127,521,986.09 : 191,083,688.74 = 88,736,217.87 : x - Step 2: Convert to fraction form
127,521,986.09/191,083,688.74 = 88,736,217.87/x - Step 3: Cross multiply
127,521,986.09x = 191,083,688.74 × 88,736,217.87 - Step 4: Simplify right side
127,521,986.09x = 16,956,043,835,435,908 - Step 5: Solve for x
x = 16,956,043,835,435,908/127,521,986.09 - Step 6: Final answer
x = 132,965,650.52
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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.