Finding the Fourth Proportional to 122,326,406.05, 183,489,609.08 and 67,906,847.65
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Solution
The fourth proportional to 122,326,406.05, 183,489,609.08 and 67,906,847.65 is: 101,860,271.48
Step by Step Solution
- Step 1: Write the proportion equation
122,326,406.05 : 183,489,609.08 = 67,906,847.65 : x - Step 2: Convert to fraction form
122,326,406.05/183,489,609.08 = 67,906,847.65/x - Step 3: Cross multiply
122,326,406.05x = 183,489,609.08 × 67,906,847.65 - Step 4: Simplify right side
122,326,406.05x = 12,460,200,928,814,082 - Step 5: Solve for x
x = 12,460,200,928,814,082/122,326,406.05 - Step 6: Final answer
x = 101,860,271.48
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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.