Finding the Fourth Proportional to 91,228,898.56, 125,894,877.32 and 49,411,924.44
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Solution
The fourth proportional to 91,228,898.56, 125,894,877.32 and 49,411,924.44 is: 68,187,912.64
Step by Step Solution
- Step 1: Write the proportion equation
91,228,898.56 : 125,894,877.32 = 49,411,924.44 : x - Step 2: Convert to fraction form
91,228,898.56/125,894,877.32 = 49,411,924.44/x - Step 3: Cross multiply
91,228,898.56x = 125,894,877.32 × 49,411,924.44 - Step 4: Simplify right side
91,228,898.56x = 6,220,708,165,518,909 - Step 5: Solve for x
x = 6,220,708,165,518,909/91,228,898.56 - Step 6: Final answer
x = 68,187,912.64
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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.