Finding the Fourth Proportional to 56,574,980.20, 84,862,470.30 and 53,226,901.90
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Solution
The fourth proportional to 56,574,980.20, 84,862,470.30 and 53,226,901.90 is: 79,840,352.85
Step by Step Solution
- Step 1: Write the proportion equation
56,574,980.20 : 84,862,470.30 = 53,226,901.90 : x - Step 2: Convert to fraction form
56,574,980.20/84,862,470.30 = 53,226,901.90/x - Step 3: Cross multiply
56,574,980.20x = 84,862,470.30 × 53,226,901.90 - Step 4: Simplify right side
56,574,980.20x = 4,516,966,381,649,763 - Step 5: Solve for x
x = 4,516,966,381,649,763/56,574,980.20 - Step 6: Final answer
x = 79,840,352.85
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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.