Finding the Fourth Proportional to 108,415,538.02, 162,623,302.62 and 31,738,565.98
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Solution
The fourth proportional to 108,415,538.02, 162,623,302.62 and 31,738,565.98 is: 47,607,847.68
Step by Step Solution
- Step 1: Write the proportion equation
108,415,538.02 : 162,623,302.62 = 31,738,565.98 : x - Step 2: Convert to fraction form
108,415,538.02/162,623,302.62 = 31,738,565.98/x - Step 3: Cross multiply
108,415,538.02x = 162,623,302.62 × 31,738,565.98 - Step 4: Simplify right side
108,415,538.02x = 5,161,430,420,090,377 - Step 5: Solve for x
x = 5,161,430,420,090,377/108,415,538.02 - Step 6: Final answer
x = 47,607,847.68
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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.