Finding the Fourth Proportional to 56,935,826.70, 85,403,740.05 and 54,148,908.30
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Solution
The fourth proportional to 56,935,826.70, 85,403,740.05 and 54,148,908.30 is: 81,223,362.45
Step by Step Solution
- Step 1: Write the proportion equation
56,935,826.70 : 85,403,740.05 = 54,148,908.30 : x - Step 2: Convert to fraction form
56,935,826.70/85,403,740.05 = 54,148,908.30/x - Step 3: Cross multiply
56,935,826.70x = 85,403,740.05 × 54,148,908.30 - Step 4: Simplify right side
56,935,826.70x = 4,624,519,288,444,487 - Step 5: Solve for x
x = 4,624,519,288,444,487/56,935,826.70 - Step 6: Final answer
x = 81,223,362.45
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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.