Finding the Fourth Proportional to 56,165,738.70, 84,248,608.05 and 49,223,325.90
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Solution
The fourth proportional to 56,165,738.70, 84,248,608.05 and 49,223,325.90 is: 73,834,988.85
Step by Step Solution
- Step 1: Write the proportion equation
56,165,738.70 : 84,248,608.05 = 49,223,325.90 : x - Step 2: Convert to fraction form
56,165,738.70/84,248,608.05 = 49,223,325.90/x - Step 3: Cross multiply
56,165,738.70x = 84,248,608.05 × 49,223,325.90 - Step 4: Simplify right side
56,165,738.70x = 4,146,996,690,666,513 - Step 5: Solve for x
x = 4,146,996,690,666,513/56,165,738.70 - Step 6: Final answer
x = 73,834,988.85
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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.