Finding the Fourth Proportional to 54,405,125.60, 81,607,688.40 and 37,186,437.20
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Solution
The fourth proportional to 54,405,125.60, 81,607,688.40 and 37,186,437.20 is: 55,779,655.80
Step by Step Solution
- Step 1: Write the proportion equation
54,405,125.60 : 81,607,688.40 = 37,186,437.20 : x - Step 2: Convert to fraction form
54,405,125.60/81,607,688.40 = 37,186,437.20/x - Step 3: Cross multiply
54,405,125.60x = 81,607,688.40 × 37,186,437.20 - Step 4: Simplify right side
54,405,125.60x = 3,034,699,179,723,769 - Step 5: Solve for x
x = 3,034,699,179,723,769/54,405,125.60 - Step 6: Final answer
x = 55,779,655.80
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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.