Finding the Fourth Proportional to 324,452,090.48, 486,678,141.87 and 78,807,070.18
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Solution
The fourth proportional to 324,452,090.48, 486,678,141.87 and 78,807,070.18 is: 118,210,606.77
Step by Step Solution
- Step 1: Write the proportion equation
324,452,090.48 : 486,678,141.87 = 78,807,070.18 : x - Step 2: Convert to fraction form
324,452,090.48/486,678,141.87 = 78,807,070.18/x - Step 3: Cross multiply
324,452,090.48x = 486,678,141.87 × 78,807,070.18 - Step 4: Simplify right side
324,452,090.48x = 38,353,678,481,733,912 - Step 5: Solve for x
x = 38,353,678,481,733,912/324,452,090.48 - Step 6: Final answer
x = 118,210,606.77
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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.