Finding the Fourth Proportional to 56,857,216.07, 85,295,257.55 and 19,959,541.41
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Solution
The fourth proportional to 56,857,216.07, 85,295,257.55 and 19,959,541.41 is: 29,942,623.70
Step by Step Solution
- Step 1: Write the proportion equation
56,857,216.07 : 85,295,257.55 = 19,959,541.41 : x - Step 2: Convert to fraction form
56,857,216.07/85,295,257.55 = 19,959,541.41/x - Step 3: Cross multiply
56,857,216.07x = 85,295,257.55 × 19,959,541.41 - Step 4: Simplify right side
56,857,216.07x = 1,702,454,225,046,042.50 - Step 5: Solve for x
x = 1,702,454,225,046,042.50/56,857,216.07 - Step 6: Final answer
x = 29,942,623.70
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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.