Finding the Fourth Proportional to 53,724,769.18, 74,139,472.23 and 29,882,235.58
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Solution
The fourth proportional to 53,724,769.18, 74,139,472.23 and 29,882,235.58 is: 41,237,090.62
Step by Step Solution
- Step 1: Write the proportion equation
53,724,769.18 : 74,139,472.23 = 29,882,235.58 : x - Step 2: Convert to fraction form
53,724,769.18/74,139,472.23 = 29,882,235.58/x - Step 3: Cross multiply
53,724,769.18x = 74,139,472.23 × 29,882,235.58 - Step 4: Simplify right side
53,724,769.18x = 2,215,453,174,953,728 - Step 5: Solve for x
x = 2,215,453,174,953,728/53,724,769.18 - Step 6: Final answer
x = 41,237,090.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.