Finding the Fourth Proportional to 91,230,118.88, 125,896,560.72 and 49,413,143.84
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Solution
The fourth proportional to 91,230,118.88, 125,896,560.72 and 49,413,143.84 is: 68,189,595.06
Step by Step Solution
- Step 1: Write the proportion equation
91,230,118.88 : 125,896,560.72 = 49,413,143.84 : x - Step 2: Convert to fraction form
91,230,118.88/125,896,560.72 = 49,413,143.84/x - Step 3: Cross multiply
91,230,118.88x = 125,896,560.72 × 49,413,143.84 - Step 4: Simplify right side
91,230,118.88x = 6,220,944,863,818,654 - Step 5: Solve for x
x = 6,220,944,863,818,654/91,230,118.88 - Step 6: Final answer
x = 68,189,595.06
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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.