Finding the Fourth Proportional to 56,106,239.20, 84,138,363.60 and 19,700,562.40
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Solution
The fourth proportional to 56,106,239.20, 84,138,363.60 and 19,700,562.40 is: 29,543,471.56
Step by Step Solution
- Step 1: Write the proportion equation
56,106,239.20 : 84,138,363.60 = 19,700,562.40 : x - Step 2: Convert to fraction form
56,106,239.20/84,138,363.60 = 19,700,562.40/x - Step 3: Cross multiply
56,106,239.20x = 84,138,363.60 × 19,700,562.40 - Step 4: Simplify right side
56,106,239.20x = 1,657,573,082,335,688.50 - Step 5: Solve for x
x = 1,657,573,082,335,688.50/56,106,239.20 - Step 6: Final answer
x = 29,543,471.56
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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.