Finding the Fourth Proportional to 107,888,374.80, 161,832,562.20 and 43,202,163.60
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Solution
The fourth proportional to 107,888,374.80, 161,832,562.20 and 43,202,163.60 is: 64,803,245.40
Step by Step Solution
- Step 1: Write the proportion equation
107,888,374.80 : 161,832,562.20 = 43,202,163.60 : x - Step 2: Convert to fraction form
107,888,374.80/161,832,562.20 = 43,202,163.60/x - Step 3: Cross multiply
107,888,374.80x = 161,832,562.20 × 43,202,163.60 - Step 4: Simplify right side
107,888,374.80x = 6,991,516,827,971,576 - Step 5: Solve for x
x = 6,991,516,827,971,576/107,888,374.80 - Step 6: Final answer
x = 64,803,245.40
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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.